Chinese Scientists Make Breakthrough in Quantum Computing

[Bussard Ramjet]

A typical response from our talented chemical engineering student again. If it is a new breakthrough made by American scientist, he will claim this as a new convincing proof about US's "indisputable leadership in quantum science"; but now this is something done by China, hmmm, this is nothing but "such random articles about one or two achievements is misleading".

What a genius!

Well you are ascribing me words which I never said. I didn't quote one paper published by Americans or anyone else and harp about its supremacy.

Research is a gradual process which involves thousands of scientists and experiments. Only very few are by themselves revolutionary. Most are evolutionary.

Find me any place where I just quote one American study and say that it is brilliant?

The problem is that you are reading only 2 research papers on quantum computing from China and going Gaga over it when there are literally hundreds of comparable papers world wide in various quantum ict fields.

What one needs to look is through a holistic lens. Taking into account all the papers patents and other public information.

Right now I am busy, I will write in detail later. Perhaps Sunday.

 

[samsara]

Quantum Computing Arms Race Takes Shape as
China, US, Russia Vie for Supremacy​

Sputnik International - 2017-05-11 21:40 (updated 2017-05-12 11:21)

Chinese computer scientists have developed a prototype of a groundbreaking new quantum computer, and promised to create a version as powerful as the world's most powerful supercomputer by 2020. RIA Novosti contributor Ilya Plekhanov explains how and why the world's leading military powers plan to convert these machines into powerful weapons.

Last week, Chinese computing engineers announced that they had successfully created a quantum computer which is faster than the early generation of mid-20th century conventional computing machines.

The innovation, developed by researchers at the University of Science and Technology at Hefei, and presented in Shanghai last Wednesday, is groundbreaking because it uses the way particles interact at a subatomic level to make calculations. Conventional computers, on the other hand, make use of electronic gates, switches and binary code.​

Xinhua news agency explained that unlike conventional silicon chip-based computers, which render data in one of two states (1 or 0), quantum computers allow data to exist in both states simultaneously, giving quantum computers the ability to hold exponentially more information.

Quantum computers operate on quantum bits or 'qubits' – the unit of quantum information analogous to the classical bit. The computing power of a quantum computer grows exponentially as the number of quantum bits (or 'qubits') which can be manipulated is increased. Accordingly, a quantum computer with 50 manipulatable qubits would be more powerful than the Sunway TaihuLight, the fastest supercomputer in existence today (and also operating in China, incidentally).

Chinese scientists say they are making rapid progress, and that they expect to build a quantum computer as powerful as a common laptop by the end of this year, and as powerful as the world's most powerful supercomputer by 2020. The Chinese prototype quantum computer system is said to already be over 24,000 times faster than its foreign counterparts.

Commenting on this groundbreaking achievement by Chinese scientists, military observer and RIA Novosti contributor Ilya Plekhanov explained that purely theoretical computation capabilities aside, "the news is of great importance for the military sphere, where the possible use of quantum computers is being discussed with greater and greater frequency. All leading countries are aiming to be the first to create such machines."​

Plekhanov explained that the first and most obvious military application for a modern, fully functional quantum computer is the capability to engage in near-instantaneous hacking into encrypted military servers, and those controlling the national infrastructure systems of the probably enemy. "In case of a military conflict, [having this capability] would give one side a huge advantage," the expert noted.

US cybersecurity analysts have confirmed that other countries are already out there mining US systems, storing the data, and patiently waiting for the advent of quantum systems that would allow them to gain access to the most heavily encrypted US secrets.

The speed of data computation and processing which quantum systems will allow for will also "significantly improve the work of unmanned and autonomous military vehicles, to which the conduct of military operations will be entrusted in the foreseeable future," Plekhanov noted.

"Simply put, the military robots of the country that creates the first quantum computer will be able to make decisions faster, work more accurately, engage multiple targets, 'see' the battlefield better and calculate forward to greater depth than enemy robots. And this means that they would win battles," the observer added.​

Plekhanov explained that quantum computers will also be used at various stages of the design of new weapons, new materials, "and even in the development of new strategies for warfare. [Battlefield] projections, naturally, are another area where quantum computers can be applied. Ray Johnson, the former technical director for Lockheed Martin, once said that quantum computers would be able to predict how satellite software behaves following a solar burst in the sun or a pulse from a nuclear explosion," something that's currently either very difficult or impossible to do.

With the possible benefits of quantum computing self-evident, Plekhanov noted that multiple players, including Russia, China, the US, Canada, Japan, Israel and Europe are striving to get the upper hand, with China and the US battling for the top spot.

Russia's Quantum Computing Research

Earlier this year, Foundation for Advanced Research project head Maxim Vakstein revealed to Sputnik that the advanced military research agency had started work on the creation of a quantum computer based on superconductor technology in 2016, with "the technology that the project aims to create [allowing] our country to take a decent spot in the race to create the 'computer of the future'."​

Vakstein did not offer any further details, but late last year, two leading Russian quantum computing research institutes – the Russian Quantum Center and the MISiS National University of Science & Technology, also announced the creation of a joint project known as Quantum Center, which aims at combining their efforts to create quantum computers.

And quantum computing specifically for military applications hasn't gone without notice either, Plekhanov noted. Last year, the Russian state atomic energy corporation Rosatom, the Foundation for Advanced Studies and the Ministry of Education and Science signed onto a joint three-year project on the development of a quantum computer. Rosatom's nuclear weapons research institute at the All-Russia Research Institutes of Automatics (VNIIA) has been charged with taking the lead in organizing the project.

National University of Science and Technology MISiS​

Keeping tight-lipped on the details of the latter project, Sergei Salikhov, director of the Department of Science and Technology Ministry of Education and Science, did give a hint as to its objectives, saying: "This is the first time that we are joining such a serious project, where the boundaries of fundamental and applied science are somewhat arbitrary, and the results will be of significance importance to our country's defense capabilities."​

China and the US: Differing Approaches

US experts have compared victory in the creation of the world's first powerful quantum computer with the moon landing, and added that a loss in the quantum computing race would be much more severe than the consequences of losing the race to the moon.

In a recent interview for National Review, Dr. Chad Rigetti, a former member of the IBM's quantum-computing research group and now the CEO of his own company, Rigetti Computing, emphasized that "computing superiority is fundamental to long-term economic superiority, safety, and security."

The US, Rigetti said, must have a strategy that views quantum computing "as a way to regain American superiority in high-performance computing."

Plekhanov noted that at present, "it is believed that investments into the development of quantum computers by companies such as Microsoft, Intel, IBM, D-Wave and Google make the US is the leader in this field. But such confidence may be deceiving."​

Last year, for instance, White House officials admitted that Washington's superiority in computer technology was "under siege," and that more investment was needed specifically in the area of quantum technologies.

In this photo released by the Xinhua News Agency and taken on June 16, 2016, the Sunway TaihuLight,
a new Chinese supercomputer, is seen in Wuxi, eastern China's Jiangsu Province​

Science education figures are indicative, Plekhanov wrote. Currently, US educational institutions produce just over half-a-million graduates in science, technology, engineering and mathematics. In China, that figure is already 4.7 million, and growing.

"China is already launching unhackable satellites with quantum-based communication systems, building quantum radars, hundreds of kilometers' worth of quantum communication lines, and creating the world's fastest supercomputers," the journalist added.​

China's quantum satellite - nicknamed Micius after a 5th century BC Chinese scientist - blasts off from
the Jiuquan satellite launch centre in China's northwest Gansu province on August 16, 2016​

Europe is focusing on the creation of its own quantum computer over the next ten years, investing the equivalent of about a billion dollars into its Quantum Technologies Flagship Program.

Meanwhile, US state-based spending in the field of quantum developments is currently less than $200 million. The US, Plekhanov noted, is "pinning all their hopes on the success of private corporations." However, unlike the US, which has spread its considerable R&D spending on a broad range of perspective weapons, China, is focusing on long-term investments in a narrow range of areas, with projects outlined in detail years in advance.

Ultimately, "if China manages to become the leader of the 'quantum revolution', then the geopolitical and military picture in the world will change dramatically," the observer concluded.​

 

[Han Patriot]

Well you are ascribing me words which I never said. I didn't quote one paper published by Americans or anyone else and harp about its supremacy.

Research is a gradual process which involves thousands of scientists and experiments. Only very few are by themselves revolutionary. Most are evolutionary.

Find me any place where I just quote one American study and say that it is brilliant?

The problem is that you are reading only 2 research papers on quantum computing from China and going Gaga over it when there are literally hundreds of comparable papers world wide in various quantum ict fields.

What one needs to look is through a holistic lens. Taking into account all the papers patents and other public information.

Right now I am busy, I will write in detail later. Perhaps Sunday.

https://www.uscc.gov/sites/default/files/John Costello_Written Testimony_Final2.pdf

This is a congressional report. They identified 3 fields:

1) Quantum computing
2) Quantum encrypt/comm
3) Quantum sensors

As per their report, they think China behind US in quantum computing in general terms, which I agree. However, I believe China is ahead in certain quantum computing technologies/techniques, which is also what the article was saying. The ultimate aim is to build a 'universal quantum computer' which can achieve 'quantum supremacy'. Until this is achieved, the race is still on.

For quantum encrypt/comm, this is what it said. No Chinese claim this since we don't brag, this is from a 'KANGRES REPORT'

China is the preeminent leader in quantum encryption and communication technologies

For quantum sensors they do not know but they know the Chinese claimed to have unveiled the longest ranged radar.

Btw, nobody is going gaga over this, Chinese don't like to brag, it's in our culture, even when we are leading, we always say we are behind. You are the one going sour grape over this since there is literally no Indian effort on this front. The typical Indy mentality is, if India cannot do it, the Chinese cannot possibility be so far ahead because Indians have brahmic brains, that's why 40% of NASA are black Indians and India shall have exascale computer in 2016.

There is not just one or two papers, there are a lot of papers, but these two effort are world leading and record breaking hence worthy of mention.

 

[Bussard Ramjet]

https://www.uscc.gov/sites/default/files/John Costello_Written Testimony_Final2.pdf

This is a congressional report. They identified 3 fields:

1) Quantum computing
2) Quantum encrypt/comm
3) Quantum sensors

As per their report, they think China behind US in quantum computing in general terms, which I agree. However, I believe China is ahead in certain quantum computing technologies/techniques, which is also what the article was saying. The ultimate aim is to build a 'universal quantum computer' which can achieve 'quantum supremacy'. Until this is achieved, the race is still on.

For quantum encrypt/comm, this is what it said. No Chinese claim this since we don't brag, this is from a 'KANGRES REPORT'


For quantum sensors they do not know but they know the Chinese claimed to have unveiled the longest ranged radar.

Btw, nobody is going gaga over this, Chinese don't like to brag, it's in our culture, even when we are leading, we always say we are behind. You are the one going sour grape over this since there is literally no Indian effort on this front. The typical Indy mentality is, if India cannot do it, the Chinese cannot possibility be so far ahead because Indians have brahmic brains, that's why 40% of NASA are black Indians and India shall have exascale computer in 2016.

There is not just one or two papers, there are a lot of papers, but these two effort are world leading and record breaking hence worthy of mention.

1. This report is written by people who will benefit immensely if they were to play up China threat theory. Immensely.
2. This report intentionally overestimates China's growth.
3. I have no sour grapes. India is not even in the race. When have I even claimed that?
4. Your "typical" Indian mentality is grossly mistaken. I am not a typical Indian. And even typical Indians donot have this mentality.
5. Even in Indian culture, bragging is looked down upon. But people still brag, don't they? Look at this thread. Most people know NOTHING about quantum computing. Yet, they just picked up some reports and are exclaiming loudly that they are ahead of everyone else.
6. A quantum radar is not by itself a quantum sensor. In fact, nothing is known about this quantum radar, apart from the fact that a model was tested and it theoretically has the capacity to detect stealth aircrafts. That's it. I can say with full guarantee that this so called quantum radar today isn't even useful to detect and track a normal plane at close range. It is like quantum computers. They can make modern computers look like ants and insects, but they are today themselves ants and insects infront of modern classical computers.
7. I will write a more detailed report to explain people all this stuff later on.

 

[Han Patriot]

This report is written by people who will benefit immensely if they were to play up China threat theory. Immensely.

You and I have no idea if these 'people' will benefit immensely. With or without this report, they are already drumming up to the China threat theory. You are assuming just because a section of people will benefit with drumming up Chinese threat, the progress is not real?

This report intentionally overestimates China's growth.

What if they are not overestimating, and this is the truth? Do you know the truth? Let's be impartial here, the longest secured physical quantum network is in China, the only quantum satellite is by China. Aren't these facts? You cannot deny the fact that China is leading. The report seems fair to me.

I have no sour grapes. India is not even in the race. When have I even claimed that?

Well, whether you are envious, I cannot judge by your current words but only by your previous posts. I never said you claimed India is in the race. I said because India is not in the race, you developed a propensity to downplay any Chini achievement.

Your "typical" Indian mentality is grossly mistaken. I am not a typical Indian. And even typical Indians donot have this mentality.

LOL. No comment.

Even in Indian culture, bragging is looked down upon. But people still brag, don't they? Look at this thread. Most people know NOTHING about quantum computing. Yet, they just picked up some reports and are exclaiming loudly that they are ahead of everyone else.

I deal with Indians on a daily basis. Let's just stop here.

As if you know quantum computing? Aren't we ahead of everyone else in certain quantum computing areas? That's the truth, but nobody said we are a quantum supapowa, it's the Russian who said it, the Americans, and the world media. Btw, are the Russians gonna benefit immensely again from that? What about when the Chini press says America is ahead in stealth? Is that Chini commentator overestimating America?

A quantum radar is not by itself a quantum sensor. In fact, nothing is known about this quantum radar, apart from the fact that a model was tested and it theoretically has the capacity to detect stealth aircrafts. That's it. I can say with full guarantee that this so called quantum radar today isn't even useful to detect and track a normal plane at close range. It is like quantum computers. They can make modern computers look like ants and insects, but they are today themselves ants and insects infront of modern classical computers.

Why is it not a quantum sensor? That congressional report specifically says it is a quantum sensor. So you are now qualified to testify to congress?

You know nothing about that quantum radar and you already dismissed it off. Is this being impartial and not the typical sour grape Indian? You haven't even seen that radar and you can 'FULLY GUARANTEE' that it will not work on normal aircraft. This is what I call the typical Indian way of talking. They think they are the smartest and everyone else is stupid yet when the results come in, they cannot comprehend it and start to argue and come up with excuses.

It is this absolute tone that pisses and irritates people and brand you the typical Indian. You don't know the full story and yet you talk as if you are the smartest a*s in the room.

 

[Bussard Ramjet]

You and I have no idea if these 'people' will benefit immensely. With or without this report, they are already drumming up to the China threat theory. You are assuming just because a section of people will benefit with drumming up Chinese threat, the progress is not real?

Oh they most definitely will. They asked for more funding in that same report and testimony. Where do you think that funding goes?

Also, a lot of China's progress is real, but so is the progress in many other places. I am just saying that they are trying to downplay their own progress, and over play China's to get more funding.

What if they are not overestimating, and this is the truth? Do you know the truth? Let's be impartial here, the longest secured physical quantum network is in China, the only quantum satellite is by China. Aren't these facts? You cannot deny the fact that China is leading. The report seems fair to me.

I know a lot more than most people here. I actually track actual research.

The two things you mentioned are both in the domain of quantum cryptography/communications where I have already said that China is world class.

It is hilarious that you are trusting an official report to the Congress.

Like common man. Tomorrow if Congress comes out with a report on China's human rights, or territorial rights etc. are you going to also believe that?

All reports have their agenda. The report serves the writers agenda in overplaying Chinese threat to push for funding. This was a very successful ploy for funding during the Soviet Era, where the US always overplayed Soviet threat and Soviet advance in science, when by the 60s, Soviets were already way behind the US in multiple areas.

Well, whether you are envious, I cannot judge by your current words but only by your previous posts. I never said you claimed India is in the race. I said because India is not in the race, you developed a propensity to downplay any Chini achievement.

I am going to start a thread here soon that will actually bash India and praise China soon. Don't try to claim that you understand my motivations, because you don't.

I share what is right and correct.

I deal with Indians on a daily basis. Let's just stop here.

As if you know quantum computing? Aren't we ahead of everyone else in certain quantum computing areas? That's the truth, but nobody said we are a quantum supapowa, it's the Russian who said it, the Americans, and the world media. Btw, are the Russians gonna benefit immensely again from that? What about when the Chini press says America is ahead in stealth? Is that Chini commentator overestimating America?

The russians are no where in quantum computing, and I haven't read anything claiming that.

Again, I don't base my conclusion on just press reports. I probe these things a lot. And usually data is able to prove what is actually happening.

Why is it not a quantum sensor? That congressional report specifically says it is a quantum sensor. So you are now qualified to testify to congress?

You know nothing about that quantum radar and you already dismissed it off. Is this being impartial and not the typical sour grape Indian? You haven't even seen that radar and you can 'FULLY GUARANTEE' that it will not work on normal aircraft. This is what I call the typical Indian way of talking. They think they are the smartest and everyone else is stupid yet when the results come in, they cannot comprehend it and start to argue and come up with excuses.

It is this absolute tone that pisses and irritates people and brand you the typical Indian. You don't know the full story and yet you talk as if you are the smartest a*s in the room.

A radar is not a quantum sensor. There could be parts of the radar that are sensors. Like a classical radar has emitters, and detectors etc. But those are just parts, not fundamentally the radar itself.

I know this because the technology is simply not there. Right now you can only sustain entanglement at approx 10 photons or so in very tight conditions. For a quantum radar you would need huge number of photons entangled, in very tough conditions of the open world.

It is like someone claiming that they have a computer of 1000 exaflops. Do you really need additional information to rubbish a claim of 1000 exaflops?

Like one Indian paper mentioned a 132 exaflops computer. Did you really need anything apart from the basic understanding of the field that that is not possible?

 

[Han Patriot]

Oh they most definitely will. They asked for more funding in that same report and testimony. Where do you think that funding goes?

Also, a lot of China's progress is real, but so is the progress in many other places. I am just saying that they are trying to downplay their own progress, and over play China's to get more funding.

Are we downplaying achievements of other countries? You are the one downplaying this achievement. The debate here is whether China is leading in quantum science research. Which to me, she is in quantum comm.crypt and a portion of quantum computing. As per my initial argument there are only two tangible technologies for the foreseeable future, that report added a third which was quantum sensors. I still stand by my view that only quantum comm/crypt and computing is realistic within the next 2 decades. You are assuming they are downplaying their own progress, which it didn't, how does reaffirming US leadership in general quantum computing downplay US progress? How do you overplay Chinese achievement? Seriously? Those are facts, you either did it or didn't do it. Both countries still do not have a working universal quantum computer which demonstrates quantum supremacy.

What if they are telling the truth and still ask for more funding?

I know a lot more than most people here. I actually track actual research.

The two things you mentioned are both in the domain of quantum cryptography/communications where I have already said that China is world class.

It is hilarious that you are trusting an official report to the Congress.

Whatever, you can claim you are a martian all I care. Wtf is a quantum genius tracking quantum research lurking in pdf? You have time for it? China is not world class my friend, we are world leader in quantum comm/crypt, which goes back to our argument, whether China is leading. 1/2 is already 50%, jose.

Whats so hilarious? I sure trust that report more than you? Are you telling me you are better than a congressional witness? Why not you testify to them?

Would you trust me more if I used Chinese reports since a simple Chinadaily article saying we achieve progress in quantum computing can invoke such negative reaction from you?

Like common man. Tomorrow if Congress comes out with a report on China's human rights, or territorial rights etc. are you going to also believe that?

Depends on the contents, I would read it, evaluate it myself, if China needs to improve on human rights, then we should, if we need to improve on rule of law, then we should, truth my friend is not absolute, you need to question it and deduce it yourself. Science research on the either hand is absolute, you either achieve something or you didn't. Comprehend?

.

All reports have their agenda. The report serves the writers agenda in overplaying Chinese threat to push for funding. This was a very successful ploy for funding during the Soviet Era, where the US always overplayed Soviet threat and Soviet advance in science, when by the 60s, Soviets were already way behind the US in multiple areas.

Again, you are arguing on the premise that they are overplaying Chinese achievements, the achievement are factual and published in journals my friend. It's science, how exactly can you overplay it? What if those achievements are REAL? Your whole argument is based on this?

I am going to start a thread here soon that will actually bash India and praise China soon. Don't try to claim that you understand my motivations, because you don't.

I share what is right and correct.

Whatever, I don't really care about India since there are not in this picture. What I am irrateated is you thinking you are always correct and all chinis as dumb if they question you.

The russians are no where in quantum computing, and I haven't read anything claiming that.

Again, I don't base my conclusion on just press reports. I probe these things a lot. And usually data is able to prove what is actually happening.

That's the point, it is no the Chinis claiming superiority, it;s the other including neutral sides like the Russians. I wouldn't dismiss the Ruskies off if I were you.

A radar is not a quantum sensor. There could be parts of the radar that are sensors. Like a classical radar has emitters, and detectors etc. But those are just parts, not fundamentally the radar itself.

Use some common sense, if people talk about quantum radars of course they are talking about the quantum sensors right? They wouldn't be talking about the quantum radar truck right, since by you logic a quantum radar also consists of a truck ferrying it around.

I know this because the technology is simply not there. Right now you can only sustain entanglement at approx 10 photons or so in very tight conditions. For a quantum radar you would need huge number of photons entangled, in very tough conditions of the open world.

Yes, YOU KNOW IT. I should believe a lurker in PDF over a congressional report.

 

[Bussard Ramjet]

Are we downplaying achievements of other countries? You are the one downplaying this achievement. The debate here is whether China is leading in quantum science research. Which to me, she is in quantum comm.crypt and a portion of quantum computing. As per my initial argument there are only two tangible technologies for the foreseeable future, that report added a third which was quantum sensors. I still stand by my view that only quantum comm/crypt and computing is realistic within the next 2 decades. You are assuming they are downplaying their own progress, which it didn't, how does reaffirming US leadership in general quantum computing downplay US progress? How do you overplay Chinese achievement? Seriously? Those are facts, you either did it or didn't do it. Both countries still do not have a working universal quantum computer which demonstrates quantum supremacy.

What if they are telling the truth and still ask for more funding?

Umm.. NO. For actual quantum computing to work, there is apart from quantum communications and quantum computing; quantum sensors, and theoretical quantum computation and algorithms.

There can't be ANY computer without sensors/hardware, AND algorithms.

Quantum Sensors as I am using it, not only includes what one would generally label as sensors like cameras etc. They also overlap a lot with hardware. The memory that will store qubits etc.

Whatever, you can claim you are a martian all I care. Wtf is a quantum genius tracking quantum research lurking in pdf? You have time for it? China is not world class my friend, we are world leader in quantum comm/crypt, which goes back to our argument, whether China is leading. 1/2 is already 50%, jose.

Whats so hilarious? I sure trust that report more than you? Are you telling me you are better than a congressional witness? Why not you testify to them?

Would you trust me more if I used Chinese reports since a simple Chinadaily article saying we achieve progress in quantum computing can invoke such negative reaction from you?

You think Congressional testifiers are absolutely the BEST?

Also, the person testifying may know more, but he has an agenda to distort things. I don't. I am telling you the truth. If you really want go to scopus and try to track articles published recently and try to see what is happening.

Depends on the contents, I would read it, evaluate it myself, if China needs to improve on human rights, then we should, if we need to improve on rule of law, then we should, truth my friend is not absolute, you need to question it and deduce it yourself. Science research on the either hand is absolute, you either achieve something or you didn't. Comprehend?

Science research is also not absolute. There are at least 10 different ways of storing qubits themselves. And then there are categories among these 10 different ways.

The way it is working here is that if Chinese scientists do good in certain field, suddenly a news paper writes that Chinese scientists are leading, and everyone starts blasting out here that you are a leader.

Again, you are arguing on the premise that they are overplaying Chinese achievements, the achievement are factual and published in journals my friend. It's science, how exactly can you overplay it? What if those achievements are REAL? Your whole argument is based on this?

How they are overplaying it?

1. By not telling people that this quantum computer is a non-universal quantum computer.
2. By saying that this is the first quantum computer to attain classical supremacy when it is really supremacy over ancient computers of the 40s and 50s, AND doing so by using a very specific method.
3. By not using and highlighting other countries work at ALL.
4. By not telling people that this is a boson sampling machine.
5. The achievements are not being overplayed in research journals, they are being overplayed in media and forums like these with people who know nothing about quantum computing.

Whatever, I don't really care about India since there are not in this picture. What I am irrateated is you thinking you are always correct and all chinis as dumb if they question you.

When did I say that I am always correct? But I am correct here, because facts bear me out. Tell me, why do you think China is ahead in quantum computing, (or parts of it as you say)?

That's the point, it is no the Chinis claiming superiority, it;s the other including neutral sides like the Russians. I wouldn't dismiss the Ruskies off if I were you.

Russians have a visceral hatred of Americans, and downplay everything regarding America. Apart from that, news reporters are NEVER to be trusted, because they know no science, and simply copy and paste from other news articles.

Use some common sense, if people talk about quantum radars of course they are talking about the quantum sensors right? They wouldn't be talking about the quantum radar truck right, since by you logic a quantum radar also consists of a truck ferrying it around.

No. A model radar can be built using current technology. New technology is always demonstrated separately.

Yes, YOU KNOW IT. I should believe a lurker in PDF over a congressional report.

Well then please go behind and try to read everything that those congressional reports say.

Among others, the congressional testimony involved exchanges where China was accused for IP theft, stealing technology, and even stealing technology and using it for J 20.

Apart from that I can guarantee you that you won't believe in MOST of what Congress testimonies say.

However, you are using it just to satisfy yourselves and your point.

Again, let me ask, what evidence do you have that China is totally a leader in quantum computing? Even in public research, leave alone the large swaths of research that have already gone underground in US.

 

[Han Patriot]

Umm.. NO. For actual quantum computing to work, there is apart from quantum communications and quantum computing; quantum sensors, and theoretical quantum computation and algorithms.

There can't be ANY computer without sensors/hardware, AND algorithms.

Quantum Sensors as I am using it, not only includes what one would generally label as sensors like cameras etc. They also overlap a lot with hardware. The memory that will store qubits etc.

Now you are beginning to sound incoherent. Of course each of them are related since it all boils down to quantum entanglement. We are talking about the advancement of the respective applications of this phenomenon, quantum computing, quantum telecom and quantum sensors. Nobody knows how to get an actual 'QUANTUM COMPUTER' to work, are you freaking telling me you are a quantum researcher now? Damn what are you smoking.

What quantum sensors are you using? What research paper had you published?

You think Congressional testifiers are absolutely the BEST?

Also, the person testifying may know more, but he has an agenda to distort things. I don't. I am telling you the truth. If you really want go to scopus and try to track articles published recently and try to see what is happening.

Yah, you expect me to believe you over a Congressional report.

Science research is also not absolute. There are at least 10 different ways of storing qubits themselves. And then there are categories among these 10 different ways.

Science research results are absolute. There maybe many ways storing qubits, but each way to store the qubit has got to be proven, it's a yes or no answer. You either store x qubits in this method or store x qubits in that method.

The way it is working here is that if Chinese scientists do good in certain field, suddenly a news paper writes that Chinese scientists are leading, and everyone starts blasting out here that you are a leader.

Damn it, how many times I have to tell you. We are the leader in a QUANTUM COMM/ENCRYPT and leader in a form of quantum computing, nobody has achieve quantum supremacy.

How they are overplaying it?

1. By not telling people that this quantum computer is a non-universal quantum computer.
2. By saying that this is the first quantum computer to attain classical supremacy when it is really supremacy over ancient computers of the 40s and 50s, AND doing so by using a very specific method.
3. By not using and highlighting other countries work at ALL.
4. By not telling people that this is a boson sampling machine.
5. The achievements are not being overplayed in research journals, they are being overplayed in media and forums like these with people who know nothing about quantum computing.

You sound crazy now. You were talking about overplaying in the congressional report and now you suddenly jump to the scmp/chinadaily news report. HELLOOOOOOO!!!! How is the congressional report overplaying Chinese advancement? The points you put on top sound like a 5 year old complaining why no one in the playground is playing with her. We are talking about science research here, how do you overplay a scientific research when the results are either yes or no. Yes, you achieved a breakthrough, and no you didn't achieve shit. Be coherent in debating. Don't split your personality. I see this happen all the time with Indians, argue so much until they dunno what they are arguing about.

When did I say that I am always correct? But I am correct here, because facts bear me out. Tell me, why do you think China is ahead in quantum computing, (or parts of it as you say)?

I already repeated so many times, CHINA IS AHEAD IN A PART OF QUANTUM COMPUTING. I think so because of the scientific breakthrough announced. Simple as that.

Russians have a visceral hatred of Americans, and downplay everything regarding America. Apart from that, news reporters are NEVER to be trusted, because they know no science, and simply copy and paste from other news articles.

So again, I should trust you. The Russians are not downplaying American effort, they are saying the competition is between China, US and Russia. I didn't copy paste anything, it was posted in this thread, READDDDDD. Everybody is lying and downplaying America, the Americans are downplaying US, The chinis are, now the Russians. Everybody except YOU!!

No. A model radar can be built using current technology. New technology is always demonstrated separately.

QUANTUM RADAR, read the word 'QUANTUM'. When people say QUANTUM RADAR, what does it mean? Are talking about AESA?

Well then please go behind and try to read everything that those congressional reports say.

Among others, the congressional testimony involved exchanges where China was accused for IP theft, stealing technology, and even stealing technology and using it for J 20.

Apart from that I can guarantee you that you won't believe in MOST of what Congress testimonies say.

Now you are going off topic, who the f cares who stolen what. I would be proud if China managed to steal state of the art technology. After investing so much shit in cybersecuirty, if Chinis managed to hack them means we are world class in cyber warfare. Stick to the point about QUANTUM SCIENCE please.

However, you are using it just to satisfy yourselves and your point.

Again, let me ask, what evidence do you have that China is totally a leader in quantum computing? Even in public research, leave alone the large swaths of research that have already gone underground in US.

LAST FKING TIME, nobody is a leader in quantum computing, China is leading in some form, US is leading in some form. But in comm/encrypt, it's pretty clear, we are the leaders!!!

 

[xunzi]

Once again our Indian friend shows a lack of knowledge in the computing area. Actually considered my profession, I must say I know a lot more about computer than this guy. LOL

He kept rambling about a universal quantum computer when it was clear that it was not what the researchers are talking about. They are talking about building a prototype quantum computer which is faster than the earliest form of traditional computer which is about the size of a house.

We need to understand a few thing about quantum computer here. We, as in China and the USA, are at a stage where we try to control the qubits in a quantum computer. We are talking about the core technology here. The rest, the memory, operation system, store drive, and all that can be design later in a universal quantum computer. Those are the easy part. So here, our local Indian friend get confused. He thought China is making a universal quantum computer that act like a modern traditional computer (the one where he can type his message on this board). LOL

For a quantum computer to act like a modern traditional laptop, you would need a million of qubits. And here is where we are dealing with. As I said, China currently hold the record for most controlling qubits, 10 and this should be where the comparison in each country level of quantum research are at. China lead in this particular field (controlling qubits) while the US lead in the area of error fault tolerance. In order to have a working universal quantum computer, you need to be able to control million of qubits and be able to design a gate that detect any error result. It complements one another, just like that.

Also it is worth noting that our local Indian have the typical mindset that the US being in the quantum research longer, thus the perception of longer experience and more capable. This is in fact true on paper, but in practical reality, that is not always the case. Case in point, the supercomputer platform. China was nowhere in the top supercomputer research just 20 years ago. But now China is leading the race in supercomputer (fastest supercomputer thus far) and on the verge of producing the 1st exascale supercomputer. How is that possible, you may ask? Answer is simple, SCALE AND HARDWORK. China has massive workforce, fund, and determination that can leapfrog other earlier research.

 

[Bussard Ramjet]

Now you are beginning to sound incoherent. Of course each of them are related since it all boils down to quantum entanglement. We are talking about the advancement of the respective applications of this phenomenon, quantum computing, quantum telecom and quantum sensors. Nobody knows how to get an actual 'QUANTUM COMPUTER' to work, are you freaking telling me you are a quantum researcher now? Damn what are you smoking.

What quantum sensors are you using? What research paper had you published?

I am following all the data and publications surrounding quantum computing. I am not an active researcher, but know far more than any one can fathom here.

Yah, you expect me to believe you over a Congressional report.

Then answer my question:

Would you believe everything said in a congressional testimony?

You will be amazed by the kinds of things about China that are said in these congressional testimonies. It is amazing how you are picking and choosing what to believe according to your beliefs.

I ask you again PROVE THAT CHINA IS AHEAD IN QUANTUM COMPUTING BY PRIMARY SOURCES. THAT IS LIST DATA.

Science research results are absolute. There maybe many ways storing qubits, but each way to store the qubit has got to be proven, it's a yes or no answer. You either store x qubits in this method or store x qubits in that method.

Not even this is correct. There are efficiencies of storing various qubits, their stability, etc. etc. etc.

Damn it, how many times I have to tell you. We are the leader in a QUANTUM COMM/ENCRYPT and leader in a form of quantum computing, nobody has achieve quantum supremacy.

Which FORM of quantum computing are you a leader in?

You sound crazy now. You were talking about overplaying in the congressional report and now you suddenly jump to the scmp/chinadaily news report. HELLOOOOOOO!!!! How is the congressional report overplaying Chinese advancement? The points you put on top sound like a 5 year old complaining why no one in the playground is playing with her. We are talking about science research here, how do you overplay a scientific research when the results are either yes or no. Yes, you achieved a breakthrough, and no you didn't achieve shit. Be coherent in debating. Don't split your personality. I see this happen all the time with Indians, argue so much until they dunno what they are arguing about.

You overplay the scientific research by LYING ABOUT ITS IMPLICATIONS AND ITS IMPORTANCE.

Do you think most people here have even read the actual Nature Photonics article?

I already repeated so many times, CHINA IS AHEAD IN A PART OF QUANTUM COMPUTING. I think so because of the scientific breakthrough announced. Simple as that.

WHICH PART OF QUANTUM COMPUTING?

AND HOW DO YOU THAT IT IS A BIG BREAKTHROUGH?

QUANTUM RADAR, read the word 'QUANTUM'. When people say QUANTUM RADAR, what does it mean? Are talking about AESA?

NO. A model QUANTUM RADAR, which is largely useless in practical terms, CAN BE BUILT USING CURRENT TECHNOLOGY.

AND by current technology I mean the method to produce entangled photons, detect them etc.

Now you are going off topic, who the f cares who stolen what. I would be proud if China managed to steal state of the art technology. After investing so much shit in cybersecuirty, if Chinis managed to hack them means we are world class in cyber warfare. Stick to the point about QUANTUM SCIENCE please.

However, you are using it just to satisfy yourselves and your point.

AGAIN, LET's TALK ABOUT FACTS, and DATA.

LAST FKING TIME, nobody is a leader in quantum computing, China is leading in some form, US is leading in some form. But in comm/encrypt, it's pretty clear, we are the leaders!!!

DON'T CURSE HERE.

@WebMaster @Horus @Slav Defence

Look at this thread. I am not using any untoward word, while my opponents are shrieking and shouting, using abuses, using derogatory remarks, etc.
If I had used even 1% of what is going on here, my posts would have been deleted by the completely reckless and unfair moderator of this thread.
And if you are wondering why quoted you, because the moderator has told me not to quote him. Since I can't tell him my complaints, I guess it has to be you people.

I am mad at you.
U seem so inconfident facing a supa Powan from a country of 82 average.
Why do you waste your precious time?
Just put ignorant people in your ignore list.
I am considering putting you in my ignore list if u wanna be infected with Supa Powa Ignoranca.

Lol, I can guarantee you that no one here is reaching my individual IQ levels.

Also, the science behind IQ test is a very thorough and detailed one, with IQ tests having many limitations, and are dependent on many factors.

But I guess, looking at you, you are not capable of understanding that level of complexity.

 

[Han Patriot]

Guys, do you want me to continue? I can keep on going dissecting this genius. It is so temptingggggg

 

[Bussard Ramjet]

Here, let's have a technical discussion regarding quantum computers and the research currently ongoing at this front.

This thread is only for actual research and progress made among various domains of Quantum Information Technology.

@Han Patriot

If you really want to talk please come here, and only include actual data regarding publications and other progress made by various countries and authors.

 

[Han Patriot]

Sure.

 

[GS Zhou]

Another progress made by our scientists in the quantum science field. This maybe another sample of "random articles about one or two achievements is misleading", as claimed by our genius chemical engineering student. But what's important is we are making such "random progress" on a weekly-basis!!

中国科大等首次实现三个力学量的不确定关系的实验检验
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文章来源：中国科学技术大学 发布时间：2017-05-15 【字号： 小 中 大 】
　　中国科学院院士、中国科学技术大学教授杜江峰领衔的研究团队和理论合作者首都师范大学教授费少明研究组，利用金刚石中的单自旋体系，首次实验检验了一类包含角动量三个分量的不确定关系。研究成果发表在5月4日的《物理评论快报》上[Phys. Rev. Lett. 118, 180402 (2017)]。

　　不确定原理是海森堡于1927年首次提出的。随后几年里，罗伯逊、薛定谔等人陆续导出了若干严格的不确定关系。作为量子力学中的一个著名结论，不确定关系告诉人们：在一个遵循量子力学规律的体系中，两个不对易的力学量（例如位置和动量）一般不能同时具备确定的值。不确定关系违背了人们的日常生活经验，却是量子物理体系的重要特征。

　　近一个世纪以来，人们用各种各样的关系式描述不确定原理，但通常只涉及两个力学量。直接从包含两个力学量的不确定关系出发，一般难以得到包含多个力学量的紧凑的不确定关系。因此，为了导出包含多个力学量的紧凑的关系式，往往需要另辟蹊径。

　　在本工作中，研究人员在理论上导出了包含角动量三个分量的罗伯逊不确定关系。这一新的不确定关系不能从已有的不确定关系直接得到，因此是对角动量不确定关系的一项有价值的补充。进一步，研究人员在金刚石氮-空位缺陷自旋体系上，对这一新的不确定关系进行了实验检验。该物理体系是固态单自旋量子体系，易于初始化、操控和读出，是当前发展较为成熟的量子调控实验体系，在构建室温固态量子计算机和实现量子精密测量等研究中具有很好的应用前景。

　　在具体实验中，研究人员利用其前期发展的成熟实验技术，制备出一系列高精度的单自旋量子态，针对每一个量子态，通过多次重复实验测量了自旋角动量各分量的期望值和标准差。经过严格的数据处理和分析，实验结果支持了新的不确定关系。该工作丰富了多个力学量的不确定关系，尤其是角动量的不确定关系。

　　此外，杜江峰团队此前利用自旋体系，对一类基于统计距离的不确定关系进行了首次实验检验[Phys. Rev. Lett. 116, 160405 (2016)]。

　　上述研究得到了国家自然科学基金委、科技部、教育部和中科院的支持。