I Don’t Want to Win Lying Down

Professor Klass hurriedly called the dean of the Department of Physics at Cornell University. He needed to be recognized by others, and the recognition had better be from his own school, otherwise the degree of recognition would be greatly reduced, and his self-confidence would also be affected. damage.

director!

I'm Klass. Professor Klass called the other party and said seriously: I met Xu Mang at New York University...he is related to Professor Tong of New York University, and now Xu Mang is solving our problem. and the problems that NYU is having.

What?

Is there such a thing? The other party was stunned for a moment, with a hint of disbelief in his words, but more excitement, and said: Isn't that very good? This problem will be solved soon, and by the way, I also got in touch with Xu It lays the foundation for future cooperation.

Klass smiled wryly. It seems that the director didn't know about some of the things inside, and also...he didn't tell him, and then he said, Director...Xu Mang told us that it's a physics experiment. Something went wrong with the procedure, preventing NYU from doing the calculation.

Experimental procedure?

How could this go wrong!

Hearing what Klass said, the other party subconsciously denied it. The part about the experiment... was the result of the joint efforts of the Department of Physics at Cornell University. However, Xu Mang, the contemporary god of physics, told him that there was something wrong with the experiment...

impossible!

This is the result of a joint discussion, and there is no possibility that there will be problems. The dean of the Department of Physics at Cornell University said seriously: We have also found many such experts, and they basically agree with our experimental procedures. Could it be... .are we all wrong?

let alone...

At this moment, the head of the physics department is a little uncertain. If the other party is just an ordinary unknown person, there must be something wrong with the other party, but the other party is Xu Mang... This is a big problem, and he hasn't solved it yet. Miss it, and his whole theory is validated.

It is very possible that ... Cornell University and those experts have made a mistake in one cognition, but ... everyone makes mistakes together, which seems to be difficult.

How soon will he finish? asked the Director.

About two hours. Klass said, I believe he can finish it within two hours, but...

etc!

Two hours? The dean of the Department of Physics at Cornell University realized this, and asked hastily: No...Since there is a problem with the experimental procedure, the experiment needs to be repeated, and this experiment is not simple, let alone Two hours... two days were difficult!

That was my second shock.

According to Professor Martin of New York University, he told us...Xu Mang can use the existing data to analyze, and then get the answer through derivation. Professor Klass smiled wryly: I think this is a little ridiculous, how is it possible? Someone did it.

maybe...

Just because he is Xu Mang, he can do it.

wait!

Tell me the result in two hours! The director of physics at Cornell University said seriously: Actually, I don't believe it either. How could this be possible?

...

at this time,

Xu Mang was holding a pen, constantly writing and writing on the paper. Occasionally, he would use the computer to look at a model he had made on the screen. In fact, this experiment was quite interesting. It revealed a possible three-dimensional quantum spin liquid .

Of course, it is only possible...Because there is no known method in the world to prove the existence of three-dimensional quantum spin liquids, and research experiments at Cornell University and New York University have shown that cerium-zirconium pyrochlorate single crystals are The right material could serve as the first three-dimensional version of the long-sought state of matter.

A quantum spin liquid is a solid material in which quantum mechanical peculiarities ensure a liquid-like magnetic state.

Regarding the views of Cornell University and New York University, Xu Mang basically agrees, and he has done related research in the past.

It is not a three-dimensional quantum spin liquid, but a meson spin relaxation experiment, but the concept of this experiment is basically consistent with the three-dimensional quantum spin liquid experiment.

In the quantum spin liquid... there is something that cannot be seen in the definition, that is, in the arrangement of the spin, the long-range order cannot be seen. How to solve it... The single crystal of cerium zirconium pyrochlorate gave the answer.

Xu Mang put down the pen in his hand, held the mouse and carefully looked at the 3D model on the screen, constantly changing the color of the single crystal, and after a few attempts, he started his own calculations again. Right on the subject.

Single crystals are materials that do not undergo phase transitions below 50 Kelvin. There is no disorder in the crystal, no long-range magnetic order, and no oxygen vacancies or other known defects.

but...

When single crystals are subjected to inelastic neutron scattering, a spin excitation continuum is shown to exist.

Cornell University and New York University believe that this may be a quantum spin liquid. This view...Xu Mang basically agrees, but Xu Mang thinks there is a little bit of doubt in the latter conclusion. Since the experiment produced a spin excitation continuous body, suggesting the existence of spin entanglement that produces short-range order.

But it cannot be fully explained that it is a spin liquid. The reason is very simple. The definition of a quantum spin liquid is a state existing at absolute zero, which cannot be reached by any experiment.

here,

Xu Mang showed his housekeeping skills, and a formula named after his son appeared on the scene——Xu Yang's structural formula. Now Xu Mang needs to calculate the direction of the electron spin. In the magnetic solid state of electrons, the electron spin What is the direction of the .

ten minutes later,

Reintroduce the concept of topology to determine what the spin is doing in a solid with a periodic spin arrangement, and at this point... it has been proved that the Cornell University and New York University experiments have huge flaws .

certainly,

Xu Mang wanted to get rid of Xu Yang's structural formula. He couldn't send Xu Yang's structural formula to the United States for no reason just because there was a cousin in the team. Otherwise, it would be a big loss. Xu Mang broke down a little, it was like doing it all over again.

no way...

Xu Yang's structural formula is too important. If this is announced, it will lose its superiority over the United States.

ten minutes later,

Basically, the modification of the experimental part has been completed, and the rest is to recalculate. After looking at the time, more than half an hour has passed, and then Xu Mang turned on his own acceleration mode. He needs to, within 20 minutes, Solve everything.

at the same time,

In another office,

Cousin, Professor Martin, Professor Claes, and several foreign students were waiting anxiously. It has been more than half an hour now. Although the time is quite sufficient, the longing cannot be stopped.

Martin?

I don't think...our experiment is wrong. Professor Klass did not give up. He always believed that he was right, and then said: I have contacted the dean of the Department of Physics of Cornell University before, and he also I don’t think it’s possible to make mistakes in the experimental part.”

snort!

Are you questioning the remarks of the world's top physicists? The cousin glanced at Klaas, and said calmly: Stop making fearless struggles, your Cornell University physics department is not good, what else needs to be done? excuse?

you...

Professor Klass was so angry, how could he have been insulted like this before, there was no way... Xu Mang put too much pressure on him, to the point where he couldn't breathe, but it also brought infinite hope, if... .. What if Xu Mang was wrong? Although that hope is slim.

Stop making fearless struggles.

It is absolutely impossible for my cousin-in-law to make mistakes. The cousin smiled.

Seeing Klaas's aggrieved expression, the cousin and the members of her team feel at ease...the previous look of superiority, but now their faces are full of bitterness.

At this time,

Professor Klass got a call from the chair of Cornell University's physics department.

Hello?

director!

What's the matter? Professor Klass asked.

Regarding the error in the experimental procedure you mentioned earlier, we at the Department of Physics of Cornell University have re-conducted research and discussion, and we think...there is no problem with the experiment at all! The attitude of the other party was very strong and full of confidence.

Is there no problem?

Professor Klass' neck also stiffened a lot, and the previous depressed state was swept away. He glanced at his cousin and said indifferently: It's a pity that some people don't think so.

Then let's see the final result!

But I can tell you clearly now that it is New York University's own problem! the other party said.

after,

hung up the phone,

Professor Klass said to Martin and his cousin who were present: Unfortunately...Our Department of Physics at Cornell University has come to the conclusion that there is no problem with the experimental procedures. Even if Xu Mang came...it can't change this. fact.

arrogant!

Crazy dig!

Totally ignorant!

The cousin glanced at the middle-aged man with whom she had been at loggerheads, showing a contemptuous smile, and said, This is the conclusion? History tells us... premature conclusions will be slapped in the face, Klaas Professor... Xu Yang Institute or the Department of Physics of Cornell University, which one has more international reputation?

I think...

There is no need to answer this question. The cousin smiled, We will know the final answer in less than an hour and a half.

words fall,

I stopped talking to this self-righteous Klaas.

...

About twenty minutes more,

Xu Mang stretched his waist. It's been a long time since he had such a high-intensity job. In an instant, his whole body was as tired as if he had fallen apart. He was old... really old. If he was himself five years ago, let alone twenty minutes, two Ten hours, no pressure.

get up,

leave the office,

Xu Mang took the data in his hand, went to the office next door, knocked on the door, and then opened the door and entered.

Ouch?

They're all here?

It's been resolved! Xu Mang said with a smile, It's that fast!

???

???

???

Seeing Xu Mang's smiling face, everyone's facial features almost twisted together.

What?

It's... just less than an hour!

 …

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