Chapter 810: Quantum (4K)

Style: Science Author: Sorceress's FriendWords: 4177Update Time: 24/01/18 13:05:02
"A story we all know well - Schrödinger's Cat."

When telling this story, Gu Qing turned his right hand and with a few random strokes, he sketched a simple drawing of a cat trapped in a black box on the blackboard.

【(=tェt=)】

“The surface implication of this story is that the brain’s conscious observations do collide with the real world.

Taking this experimental story a step further, quantum physicists used the double-slit experiment and discovered that when photons pass through the slit and enter the observation screen on the other side, any attempt to measure them will change their behavior.

It leaves a confusing question.

If we use our human minds to observe the world through our eyes, skin and other senses, will it really lead to changes in the world? "

When Gu Qing raised this commonplace topic in quantum mechanics, he wrote several names next to the poor cat.

Schrödinger, John Bell, Eugene, Roger Penrose…

And while explaining: "When these scientists were thinking about this phenomenon, they realized that maybe our consciousness is also a quantum phenomenon.

A well-known theoretical physics professor in the world believes that from the perspective of cognitive science, one of the reasons for the connection between quantum physics and consciousness is that the process at the quantum level is completely random.

But this statement is full of uncertainty, which means that some of the accuracy results obtained by these physicists in quantum experiments over the years are actually probabilistic accuracy issues.

The concept of will, in our human definition, is a factor of consciousness that is full of uncertainty. However, except for literary artists, the definition of will is often an element that only living things have. "

Having said this, Gu Qing stopped waving the chalk in his hand and turned around to face the elites in the semiconductor department.

These young and strong sects and dozens of middle-aged and elderly professors and semiconductor engineers were like small animals waiting for food, stretching their necks and looking at themselves with bright eyes.

Even though I have just started teaching now, I am only talking about superficial introductory concepts. It can even be said that everyone here is familiar with these concepts.

But they are like children who have never known this knowledge, their eyes are full of seriousness and curiosity.

Looking at this group of semiconductor teams that he and Xuanwu had selected and invited for several years, Gu Qing continued with a calm expression: "In the fields of mathematics, computer science, semiconductor engineering and classical physics, we all In pursuing a deterministic function or system or formula, no randomness is involved in the future state of the system.

To put it simply, what we are pursuing is that as long as the input data is correct and the same, then deterministic functions and formulas will only produce certain and the same results.

In the quantum field, we need to pursue non-deterministic functions, systems, and formulas. After receiving data input, we have uncertainty and randomness, and at the same time, we can control this randomness and uncertainty in a certain sense.

Although it sounds a bit mouthful, it is actually.

In fact, the experiments, inferences, and verification processes are more cumbersome, complex, and even full of uncertainties like this subject. "

Among the people listening to the lecture, several Mediterraneans shook their heads in distress at this moment.

People say that quantum mechanics is indecision. Although it is a complaint, it is also very consistent with the characteristics of quantum mechanics, which is uncertainty.

But after shaking their heads, they quickly put aside these messy thoughts because Gu Qing continued to talk.

"Although it is difficult and troublesome, we must overcome it. Whether it is quantum chips or quantum communications, this is our future, or the future of the entire technological society.

It is no less important than mushroom bombs, and no less important than the carbon-based chips we have now.

For example, quantum teleportation is a brand new communication method.

What it transmits is no longer our ordinary communication signals, nor is it transmitted through flying pigeons or optical fiber transmission. Instead, it transmits the quantum information carried by the quantum state. With the help of quantum entanglement, the transmitted quantum state can disappear instantly in the place we control like the time and space shuttle that exists widely in our network. At the same time, it does not require any carrier or material. The path of construction appears directly in another place we have specified.

Since quantum has the special properties of being non-divisible, non-replicable and even non-observable, in the process of quantum communication, if the quantum information carried by the quantum state is interfered, eavesdropped or even recorded by some other external factors, it will It will change some of its own states in an instant, allowing the receiver to easily detect this interference. At the same time, because of the state change, devices that eavesdrop and interfere with this information will also be unable to read this information.

This is a more powerful anti-eavesdropping capability than codebooks, data encryption, 3g/4g/5g/6g. In today’s information warfare, mastering quantum communication is, in a sense, mastering the world of information technology. Mushroom eggs.

I believe that everyone sitting here should understand its importance. "

A group of senior students nodded in agreement.

A middle-aged professor who specializes in mathematical cryptography said with emotion: "It's like when we were doing the project, we were thinking, if we want to decompose and analyze a huge number with hundreds or even thousands of digits, ordinary supercomputers It takes a huge amount of time, and if you use quantum algorithms driven by quantum chips, the time to decode and analyze this number can even be reduced from the terrifying tens of thousands of years to just one second.

For the cryptographic protection systems and data confidentiality systems of the world's major powers, with the mastery of quantum algorithms and quantum chips, we can face these encrypted national secrets just like a thief facing an ordinary copper lock, without any difficulty. "

Gu Qing looked at the middle-aged professor and nodded slightly.

The other party is not only extremely talented, but also has his own exclusive ocean above his head at such a young age. He is highly accomplished in the fields of mathematics and algorithms, and is worthy of giving his original company one billion and several technical licenses. , in exchange for a paper transfer order.

Sometimes when Gu Qing sees these professors and masters, he feels a little happy in his heart.

I'm afraid only in Daxia can we use favors and investments to get so many talented people to join willingly in a short period of time.

After nodding to the middle-aged professor, Gu Qing turned around and drew a simple drawing of a chip on the blackboard.

The display panel next to the blackboard also began to play a slideshow about the chip simultaneously.

"Because of this, Li You, one of the heads of our semiconductor department, is overwhelmed by this project. I even heard that you haven't been home much in the past few months. This is not okay.

My sister-in-law and children have not seen you for a long time. Even if they live in our community and know that you are in good health, they will still be worried. "

Gu Qing said this to Li You in the audience.

But at the same time, he also said: "The same is true for other colleagues in our semiconductor department. When they are busy, they are in the dark. They don't care about what they eat or wear. They don't answer calls from their families. The president's office informed me this morning that there have been many recent incidents. The family members reported this situation through boundary markers. After the department was on holiday, they did not see their husbands, wives, fathers, and mothers come home for reunions."

Li You's crowd, who were still laughing at him, were now speechless.

"I also understand that projects are stressful, and everyone wants to overcome difficulties as soon as possible and achieve results. But you should never use your time to relax to force work, and you must sleep six to seven hours a day. Don't treat Taoyao as an ordinary person. of refreshing drinks.

The human body is a complex system. From the perspective of traditional Chinese medicine, when the yin energy is strong and the yang energy is hidden, you should close your eyes and rest. Reversing day and night for too long will not only lead to endocrine disorders as described in Western medicine, but also make the body Imbalance of yin and yang causes disorder of the flow of qi in the organs and five elements, which in turn leads to many diseases. "

Mr. Yu, who came from Xia Ke Academy, frowned unconsciously when he heard Gu Qing talking endlessly about Chinese medicine.

The old friend next to him saw the old man's expression and explained to him in a low voice: "I heard that in order to develop Taoyao, Mr. Gu and the Xinglin national experts studied Chinese medicine for several months.

I heard that in just a few months, he made a lot of money out of the families of those old men, and even further systematically compiled classics such as the "Huangdi Neijing" based on his existing knowledge. Compile a summary.

In a few months, we have accomplished something that others have never accomplished in a lifetime, but this matter has only spread within our company. Because Mr. Gu is not qualified to practice medicine, and the company does not need an external marketing persona, there is no external publicity. "

Mr. Yu nodded after hearing his old friend's tips.

He also whispered like a primary school student who was distracted in class: "So this is the difference between geniuses and ordinary people like us. Not only can they maintain high concentration of energy for a long time, but they also have strong divergent thinking and their memory is far better than that of their peers."

It's just that before he started speaking a few words, Mr. Yu's old friend quickly shook his head, hurriedly said "Let's start the lecture", and then turned around and became a good student.

When Mr. Yu saw his old friend sitting upright, he felt a little more emotional.

This old friend of mine used to be a well-known figure in universities outside and even in international forums. Wherever he went, he was cheered by people and bowed humbly by students.

As a result, I have worked at Jiuzhou Technology for several years, and now I am almost "rejuvenated".

However, it was a sigh of relief, and Mr. Yu quickly calmed down and looked at the podium.

That young and shameless guy was talking about chips at this time.

"We all know that whether it is our newly developed carbon-based chip or silicon-based chip, it is essentially an integrated circuit. It miniaturizes circuits, semiconductor equipment, passive components and other components, and then produces them in semiconductors. Something on the surface of the wafer.

If the semiconductor wafer is silicon-based, it is a silicon-based chip; if it is carbon-based, it is a carbon-based chip.

As manufacturing processes shrink and technology improves, manufacturing 5-nanometer chips is now as difficult as building a large city on our human fingernails.

Zooming in slightly, we can see that there are kilometers of wires and tens or even hundreds of millions of transistors on this fingernail-sized chip.

But the problem that comes with it is that when the performance of the chip is getting higher and higher, and the manufacturing process is getting smaller and smaller, until the integration precision is as small as the atomic size, then the physical rules that the chip relies on will naturally change from ordinary When the macroscopic world enters the microscopic world, it is already approaching the critical point of classical macrophysics - Newton's classical mechanics to Einstein's microphysical world.

The rules of this microscopic physical world are the physical rules of the quantum information world.

But in the world of quantum information, many normal situations in the ordinary macroscopic world will begin to manifest themselves differently.

For example, the uncertainty and superposition principle we talked about earlier means that if two states are states that are allowed to occur in a system, then any linear superposition of them is also a state that is allowed to occur in this system.

It's a huge expansion from two choices to an infinite number of choices. Obviously, a qubit contains a much larger amount of information than a classical bit.

And the reason why I have always attached such great importance to our department is because regardless of silicon-based or carbon-based, they will eventually reach the culmination of a process in the future, and after this culmination, we, or the semiconductor industry in this world, will The only new advancement we can rely on is quantum chips. "

When Gu Qing said this, no one present brought up the famous "Moore's Law".

Because this once "iron law" of the semiconductor industry has long been broken by them.

The number of transistors that can be accommodated on an integrated circuit doubles approximately every 18 to 24 months, and the performance of a processor doubles approximately every two years, while the price drops to half of what it was before.

In the face of Fanxing Project's S-series chips and carbon-based chips, Western Semiconductor's Snapdragon chips, Pingguo A-series chips, and Intel Core processors have all been labeled as younger brothers.

It took Jiuzhou Technology six years to achieve results that would take Western companies countless years to catch up.

Gu Qing continued to talk.

“From the perspective of the future planning of the semiconductor industry, quantum chips are so important.

Judging from the future computer information warfare we just talked about, if you want to control quantum communication and quantum computing, you need to develop a quantum computer. To create a quantum computer, quantum chips are also the most critical step.

Moreover, a large number of quantum logic units integrated into quantum chips can perform quantum information processing and thus break through the theoretical computing power limit of our current supercomputers. "

After looking into the future, Gu Qing quickly wrote a line on the blackboard.

Superconducting systems, semiconductor systems, ion trap systems, large-scale integration, quantum communication algorithms...

Every time the ranking of a system and field is written down, everyone present will frown.

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