Scholar’s Advanced Technological System

Time passes quickly.

On April 20, Master Lu returned from Shanghai to Kim Dae for a meeting. After the meeting, he sent the Ark boat to the office.

As soon as the ark entered the door, the old man looked over and asked with a smile.

“How's it going? ”

Ark: “Almost... and look to the professor for mercy. ”

Dean Lu: “Almost? All right, I'll do whatever you want. ”

He opened the drawer and pulled an a4 out of it, placing it on the table.

“Here's the pen. Write it over there? ”

The ark took the paper and pen, looked at the title above, and his eyebrows twitched.

Two agreed questions, three clearly written on the paper.

And the agreed exam, none of the questions seem easy...

Master Lu asked with a smile, "What, can't you see? ”

“How could it," the Ark laughed, looking at the subject, with a reflective look on his face, "it just seemed, a little difficult. ”

Master Lu smiled and didn't speak. He lifted Erlang's leg and waited for his pen.

Not easy?

If it's easy, then what's the point of the exam?

How can he be an academician, a graduate student with an academician, like a graduate student with an ordinary professor?

These topics were not intended for graduate students, but were used to examine the level of expertise of those interviewed when he recruited doctoral students.

If you can make two questions, then you are qualified. If you can make three questions, then you can say that they are excellent.

The four PhD students he brought with him were all three questions. Although the topics examined differed, the level was similar.

Just as Academician Lu awaited the landing strip pen, the ship had swiftly gone through all three questions, then turned to the first question, which was also the easiest for him.

Question number one, study the group theory.

However, it was not mathematical cluster theory that was examined, but the application of cluster theory in quantum mechanics.

Because the mathematical branch of "cluster theory" was created independently by mathematicians long before “quantum mechanics” emerged, it was not created jointly by physicists and mathematicians like "calculus”. Therefore, group theory is a "product of the ship” for physicists. It is difficult to learn and it is not easy to use.

However, for “mathematical birth” and re-entry into the "mathematical physics” ark, it is not that difficult to handle.

[Hydrogen atomic grade accidentally simplified group theory interpretation]

The topic is short, but the amount of information is not small.

The phenomenon that hydrogen atoms have a higher degree of simplicity than general atoms is called “accidental simplification”. Traditional quantum mechanics, however, could not explain the phenomenon of accidental simplification, and it was not until the introduction of cluster theory that the phenomenon was theoretically explained.

Close your eyes, the ark recalls in your brain what you learned about quantum mechanics and everything about hydrogen atoms.

Then, build the model mathematically…

With his eyes open, the ark took a deep breath and finally picked up the pen and wrote it on paper.

[Make the hydrogen atom Hamidon arithmetic H = P ² 2μ-Ze ² r…]

[In the case of the Kulun potency, the system has a long-beam vector, recorded as M ’= …]

[Intrinsic value of group Casimir operator C = …]

……

Seeing the speed at which the ark was doing its work, Master Lu's eyebrows picked slightly.

He thought it would take at least twenty minutes for the Ark to think about it, but he didn't think he'd done it.

Besides, the idea is perfectly correct.

He had intended to raise two mouths when the ship could not think of one, but now it seems that it is not necessary.

[For energy level E (N +1) and quantum number (N, 1) the simplicity is Σ2 (L +1) = N ²...]

Seeing the answer, Master Lu nodded silently.

Question one, right!

Without paying attention to the look on Mr. Lu's face, the Ark continued to cast a focused gaze on the next question.

The second question is some questions about Dirac's hollow theory in quantum field theory, exploring the understanding of Dirac's equation and some theoretical knowledge about field theory.

This pure theoretical knowledge is not difficult for an ark. In a drug-guided state of focus, the things that are looked into will basically not be forgotten.

For him, it was a sub-question rather than the first question that required a little thought for a while.

Without stopping, the ark quickly started writing and answered the theoretical questions raised in the topic in a descriptive language.

Seeing the Ark do this, Master Lu's face had a smile of comfort.

Not bad. He didn't look.

The boy is a good seedling for theoretical physics, and with the talent he presently demonstrates, even more hopeful than the four Ph.D. students he brings with him to inherit his garment.

Had it not been for the school to have developed a talent development plan leading to a higher platform, he would have even thought about letting him get straight to himself.

And of course, that's what he thinks, and he also supports going to higher platforms to extract scientific nutrients.

The second problem was solved, and the ark continued to look at the third.

However, when he saw the third question, he stunned.

The third question is a topic about string theory.

The so-called string theory mainly attempts to resolve the contradiction between the two main physics theories of superficial incompatibility, quantum mechanics and general relativity, and to create a "theory of everything" that describes the entire universe, the legendary "theory of great unity”.

The discovery of this theory, by the way, has a lot of roots in mathematics.

Vinechino, who works at the European Centre for Nuclear Research, originally wanted to find a mathematical formula describing the powerful forces in the atomic nucleus, which turned out to be a 200-year-old Euler formula in an old mathematical book, and surprisingly found that the formula succeeded in describing the powerful forces he sought to solve.

It sounds a lot like the plot in the Martial Arts novel, but it's just such a coincidence.

And that coincidence gave birth to the prototype of string theory.

The M theory, which included the later wave string theory, the superstring theory, and the famous Edward Witten's “unified river and lake” theory, all developed on this basis.

The ultimate goal of theoretical physics is to create a "big unified formula” that describes everything in the universe.

It is rather embarrassing, however, that the development of string theory in the country is in a very embarrassing situation.

Condensed physics itself stands opposite theoretical physics, not to mention that the theoretical physics community seems reluctant to accept this "mathematical freak”.

Even the domestic theoretical physics of Thai Dou, one of the most influential physicists in the world today, Mr. Yang Lao, has expressed an opinion on string theory. Instead, it is the domestic mathematical community, with an open attitude towards string theory. Mr. Qiu, for example, has “praised” string theory across borders.

What makes the ark somewhat unclear, however, is that this third question examines not the knowledge points of string theory, but the perception of string theory.

Views?

A theoretical view? Or a view of theoretical development?

Is this a subjective subject?

The tip of the pen stopped on the paper for a long time, passing the gate and slashing the last level of the ark, a little lost for a while.