Super Shenhao Technology System

"Some of you may wonder, how can it continue to conduct electricity after being insulated? Hey! It's just that, the quantum world is so magical. In the terminology in the industry, this is called the quantum tunneling effect, also known as the quantum tunneling effect. .”

"For a quantum, even if there is a hard and dense wall in front of it, it can be uploaded with a very high probability. This is the best interpretation of the absence of an impenetrable wall, which is quantum tunneling."

"This effect is very important. If there is no quantum tunneling effect, the conditions for the birth of life on the earth will probably not be available, because the sun will not be so hot, and the radiation inside the sun reaches the outside through the quantum tunneling effect."

"It is worth mentioning that Josephson, the scientist who once again made outstanding contributions, was rather strange in his later years, not too late, probably middle-aged, since he saw Bell's inequality."

"I think the ghostly effect of quantum entanglement at a distance is so amazing that I can't extricate myself from it. Since then, he has started to study such magical things as telepathy and mind control."

"Physicists at the time felt that this clever mind had been ruined by physics, which is really a pity."

"When the precision of traditional chips has reached the extreme, Moore's Law has expired, and the semiconductor industry has stagnated, people firmly believe that the next breakthrough is quantum chips and quantum computers."

"Then about quantum computers, this is a long story, and it involves a lot of professional knowledge. Here I will briefly talk about the standards set by the scholar Divinson for quantum computers, which is the so-called Divin Sen standard, saying that the realization of a quantum computer must meet five standards at the same time, which five?"

"Number one: have well-characterized qubits and be scalable."

"Scalable means that it can be integrated. Of course, we are all familiar with integrated circuits. In computer terms, good characterization means that each qubit must be individually addressable. This is very important."

"Rule 0: There must be a way to set all qubits to [-] before computing."

"That is initialization. This is easy to say, but very difficult to do. The current technology basically operates on each qubit individually, because there are fewer, but the problem is after more? How do you go to one-key initialization? ?There is no solution yet, the problem has been found, then solving the problem is the subject of our scientific research department.”

"Rule [-]: Have a universal set of quantum logic gates."

"What do you mean? We know that in a classical computer, the state of a transistor is used to represent 1 or 0. How is this state realized? It is the high and low level, and then the operation is performed through a series of logic gates. The logic gate is Transistors can realize logic operations through special arrangements."

"For example, if two high levels come over, it represents two 1s, then passes through an AND gate, and finally outputs a high level, representing 1, then the overall process is true (1) and true (1) = True (1)."

"Why does the computer generate heat? Because my original two bits of information 1, after passing through the AND gate, it becomes 1 bit of information, and 1 bit is lost, so heat is generated."

"Note that the heat generation is related to the loss of information, and it is the direct cause. It is not necessarily related to whether this process is reversible. What do you mean?"

Chapter 89 Confused Liberal Arts Students

"Just like the example just now, now there is a question, or two levels are called, but I don't know the level, after passing through an AND gate, a 1 is output, so what is the information of the two inputs?"

"Through the AND gate to output 1, you can only input two 1s, so you can easily deduce the answer in this process, so it is reversible."

"But why do you say that the AND gate is still an irreversible gate?" "Just change it. For example, if two inputs are switched, the output result of the AND gate is 0. What is the input? It may be 0, or the above It is 1 and below is 0, or it may be above 0 and below is 1, so you will find that if you are not sure, you cannot clearly map back to the input one-to-one, and this is the situation that is irreversible.”

"But the NOT gate is different. You just need to tell me the output, no matter what it is, I know that the input is opposite to the output, so the AND gate is an irreversible gate, and the NOT gate is a reversible gate."

"What are the characteristics of the reversible door? I can output as much as you input, without losing information, so no heat will be generated during the computer process."

"Maybe some students will question it. How can the NOT gate not generate heat? How can it be possible that the current does not generate heat? Is it possible that I am taking a fake physics class?"

A large group of liberal arts students in the field laughed together in a daze, many of them looked confused, and some girls didn't care whether they understood or not, anyway, they came to see what the idol in their hearts said.

"Of course everyone's physics is correct, but it should be noted that what I'm talking about here is that the heat generated by the loss of information during the calculation process is the main source of heat generated by the CPU."

"So we found that as long as the computer is used, the CPU will get hotter and hotter when a large amount of information is transmitted, and this is the reason."

Non-professional students, most of the liberal arts students suddenly looked stunned, everyone is using computers, and they are all familiar with electronic products.

It is common sense to know that the CPU of a computer will heat up, but many people don't know why it heats up. Li Linfei said that now he knows.

"Then can we turn the irreversible gate in the classical computer into a reversible gate? Some people have proposed several solutions in theory. For example, one is to change the input and output of the logic gate to three, and then For example, a logical operation is called an XOR operation, and its counterpart is an XOR gate, through which binary addition is completed."

"Exclusive OR gates and AND gates can form a half-adder. The reversible version of the XOR gate is called a controlled NOT gate. A quantum logic gate that is very important in quantum algorithms is a two-qubit controlled NOT gate, but it should be noted that One point, here it is achieved through quantum entanglement, not through traditional circuits."

"Then quantum computers are all quantum, not transistors, so there are no circuits."

"Fourth, there must be an effective solution to the decoherence problem."

"That's the principle of quantum encoding."

"The last one must be able to obtain the desired information answer by measuring the qubit."

"This hides a so-called efficiency problem. The famous quantum Shor's algorithm can achieve the coherent and constructive results of the desired results in measurement, and the coherent and destructive of the unwanted results."

"But the process needs to be obtained through repeated measurements. In other words, the more times you measure, the more accurate the result will be. But theoretically, it is impossible to give a 100% correct answer, and it can only be infinitely close. So is there a better way? What about the calculated qubits to get the answer?"

"This is the research direction our team is focusing on, and it is also a major mystery that research institutions or teams in the industry all over the world are trying to uncover."

"So far, there is no machine in the world that can perfectly meet the above five criteria at the same time, so the research of quantum computers has a long way to go."

On the stage, near the end, Li Linfei looked at the audience and couldn't help laughing: "Well, I think today's speech is the most failed one since I gave it, because a large group of people below listened drowsily. "

Immediately, there was a burst of laughter from the audience. The science and engineering students said that they listened without pressure. If there were liberal arts students next to them, they would feel inexplicably proud, and they would swell up.

Li Linfei on the stage continued: "Anyway, I prefer to label myself as a scientific and technological worker and be proud of it. Today's speech can be regarded as an easy-to-understand popular science speech. In fact, I think scientific and technological work In addition to immersing themselves in research, or scientists, it is our duty as a group to popularize science for the general public.”

"Our country's science popularization work is not good enough. I saw some articles about science on the Internet, and when I pulled it to the comment area, the comments I saw were all clicked in, and then left in a daze."

There was another burst of laughter, and Li Linfei said: "This leads to a very bad phenomenon. Science gives the public the feeling that it has nothing to do with them. It is so far away and mysterious. That's why so many people come and go in a hurry. comment message."

"I think this is very detrimental to the cultivation of scientific interests and hobbies of the general public. In fact, science is very simple, and science is also very interesting and wonderful. Only when you understand it will you discover its beauty. It is not mysterious, because you If you don’t understand it, of course it’s mysterious, but after you understand it, it’s actually the same thing, science is a process of seeking truth.”

"In general, this is a popular science speech, talking about the world's most cutting-edge superconducting technology, quantum computers, etc., due to time constraints, I can only talk here."

"Superconducting technology is one of the most popular technologies among the many technologies of quantum computers. The research of quantum computers has a long way to go, but if we look at the past historical laws, at this point in time today, there should almost be a von Neumann, A scientific genius like Dirac."

"Open a door for everyone. I am very much looking forward to the birth of this genius. Maybe it is one of the students here. Who knows? We must know that Fuda has produced many outstanding students in the quantum field, such as Mr. Zhang Shoucheng .”

"But I think it's time for such a new god-level figure to appear, we will wait and see."

As soon as the speech was over, the students of Fuda scrambled to take photos with the gods in their hearts. The scene was especially hot, and some fans even asked for autographs. Li Linfei readily accepted this and signed some.

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No matter for Li Linfei or Jiang University, what is more important than the speech is the next consensus and a donation.

It was Li Linfei who spent 1 million yuan to invest in Jiangda's applied physics research, especially in the quantum field. At the same time, Jiangda selected a group of outstanding students in the field of integrated circuit computers to go to Future Technology Group for internships.

Obviously, Li Linfei also attaches great importance to this. Talent is the key, and young and outstanding talents are the most important.

Although Li Linfei is a BUG-level character, as the head of the Future Technology Group, and the company is facing a lot of things, his energy is limited. He has to allocate a large part of his energy to deal with the company's affairs. As far as development is concerned, the progress will inevitably be delayed, and other outstanding talents are very important, so it is necessary to build a research assistant team.

It is worth mentioning that Li Linfei notified the friends and businessmen of the recently established Semiconductor Industry Alliance, and asked them to ask for someone, such as IC design, which HiSilicon is good at. They are engaged in mathematical logic. Needless to say, scientific research talents in this field .

Although the robots of the First Research Institute can do it, they cannot be completely relied on. These people are all concentrated in the core research room on the periphery of the First Research Institute.

Li Linfei is looking for people from HiSilicon, and also looking for top R&D personnel from semiconductor companies such as Tsinghua Unigroup and Huaxin International. Now that everyone has formed a team, Li Linfei is very clear that the allocation of resources must be integrated and rationally used.

At first, everyone was still reluctant. After all, you Future Technology has taken away a group of top talents from our company. You have formed a research team, so what are we going to do with our research?

But in the end, they all agreed, because Li Linfei’s reasons made them unable to refute. Your people will eventually return to your company, and now your scientific research backbones come to my future technology, and they can learn a lot of technology. The semiconductor business is everyone’s business. Do it together, you know part of my patented technology, I also know part of your patented technology, this is the best mutual restraint.It is also a manifestation of sincerity.