Chapter 343

Eight and a half hours,

an all night time, can you write so much content?

What's more, it seems that we have written all the required quantum mechanics contents. For example, the first principle calculation involves five principles, but all of them are written, and the contents are extremely detailed.

For example, the density functional theory is so detailed that even the three students in the physics and chemistry departments feel chilly after seeing it.

No way!

Shouldn't tutor Xu be happy last night?

Is he happy and working at the same time?

Crazy?

Five people at the same time looked at Xu mang lying on the steel wire bed, saw his face comfortable playing with the mobile phone, from time to time sent out the laughter, ghost knows what he is looking at, but now he is very happy.

This is...

this is simply subverting the outlook on life.

"Tutor Xu?"

"You've filled in quantum mechanics?" Zhang Xu asked in shock: "one night time?"

"Yes."

"You're left to help me with heat, electricity, magnetism and optics, which you derive from quantum mechanics." Xu mang said with indifference: "after finishing, I will check it. If it is almost appropriate, I will proofread it, and finally establish a system to connect with the old database."

As a result,

there was no sound in the laboratory, which was mainly shocked by the terrible speed.

It's not human...

"right!"

"Last night, I checked your research during the day, and then made a note. You can take a look and make a new one in the wrong place." Xu mang put away his mobile phone, stretched out and went to the bathroom in silence.

“？？？”

“？？？”

“？？？”

Oh?

What's the situation?

How can you walk around?

"Xu... Xu tutor?" Lin wanwan asked in horror, "you... You don't need a wheelchair?"

"I just had a flash in my waist, not a powder fracture." Xu mang black face said: "the wheelchair is afraid of old injury recurrence, now I want to activity, dredge blood vessels, do you understand medicine?"

"..."

Lin wanwan doesn't want to talk, just wants to hit a brick on Xu Mang's head.

After Xu mang left,

five people read Xu Mang's remarks last night. At this time, several people did not want to be shocked. They always felt that these were normal. After all, Xu mang could not think about his various behaviors with normal human thinking.

However...

his knowledge reserve is really rich. He can't imagine that a person's brain can hold so many things.

After processing yesterday's research results, several people read back to the framework of quantum mechanics. Xu mang did not blindly move all of them in, but chose the content closely related to materials science to move it inside.

Almost all of these theories can lead to other disciplines, which correspond to materials science.

"That's amazing!"

"I just discovered that relativistic density functional theory... Can directly derive the properties of heavy element compounds, which is already chemistry." Zhou Mengdi said with a face of worship: "wait for him to come back, I want to ask."

"Ah?"

"What's the situation?" When Xu mang returned to the laboratory, he saw that five people were in a daze. He asked curiously, "what are you doing now?"

"Tutor Xu!"

"I have a little doubt here." Zhou Mengdi called out.

Then,

Zhou Mengdi asked, "tutor Xu... What is the difference between the K-S equation of RDFT and the K-S equation of DFT?"

"Er..."

"the K-S equation of RDFT is a 4x4 matrix, and the exchange correlation energy and exchange correlation potential functional are also different. The calculation process needs to use the four component relativistic density functional calculation method." "These are all single electron equations, followed by polymorphic calculations," Xu said seriously

As a result,

Xu mang looked at Zhou Mengdi in disbelief: "as a senior student of chemistry, have you never learned this?"

"..."

"generally, we are in the framework of DFT." Zhou Mengdi said helplessly, "how do you know this density functional theory, if you talk about Mr. Xu?"

"Nonsense!"

"This is the way quantum mechanics studies the electronic structure of multi electron systems, and this is my major." Xu gave a blank look: "did you drink too much high concentration industrial alcohol yesterday? How stupid are you

Zhou Mengdi that gas ah, is he brain pumping? Asking questions about this kind of mental retardation may... Be the reason for being so excited.

And then,Xu mang helped everyone solve their inner doubts, including how to derive heat, electricity, magnetism and optics.

"Watch out."

"It has to be derived from quantum mechanics." Xu said solemnly, "and it must be detailed."

"Two days is enough for you, isn't it?" Xu mang looked around and said with a smile, "it should be about the same. You can finish the main frame in 48 hours with five people. I can finish the main frame in eight and a half hours by myself."

"..."

"..."

"..."

big brother!

We are not a species, OK!

You are not human!

"I went home to rest."

"You work hard." Xu mang thought for a moment, took out a piece of ten yuan from his pocket and said, "one person can buy a bottle of Wahaha."

After that,

went directly to the laboratory...

"lying in the trough!"

"Tutor Xu, wait a minute. Wow, the price has increased!"

...

with the help of his father-in-law's driver, Xu mang returned to Xiaoman's home and enjoyed the supreme experience brought by the 52 Inch TV set.

However, it never occurred to me that at this time, Mrs. Yang went home and saw Xu mang lying on the sofa watching TV. The anger on her face could be imagined.

"Xiao Xu!"

"How did you sleep in the lab yesterday?" Yang mother material asks: "this can't do."

"Auntie, how did you come back?" Xu Mangla shrugged his head and asked carefully, "where's uncle?"

"I just went home to get a document." After Yang's mother took away a document on the table, she planned to leave the house. She had just arrived at the door and said to Xu Mang, "I'll buy you some materials for mending your waist in the evening. I'll live here today."

"Oh..."

when Yang's mother left, Xu mang went back to his former appearance, lying on the sofa like a dead fish.

Perhaps his conscience was condemned, Xu opened his own system to see how much the current upgrade card reserves.

Upgrade card: 95

"Alas..."

"it's really slow." Xu sighed and silently turned off the system.

At this time,

the mobile phone rings, and Xu mang takes a look at it. He never thought it was his mother's.

"Hello?"

"Son."

"Mom..."

"when will you go home?" Xu asked.

"Er... For the holidays." Xu mang hesitated for a moment and said cautiously, "I... I found a girlfriend."

"Good thing!"

"How old is this year?" Xu asked.

"Nearly two to twenty, high school classmates, and then admitted to the same university." Xu mang forced Yang Xiaoman to be born two years earlier. There is no way to say that he is just 18 years old.

"That's the same Zodiac as you... Er..." Xu mang pondered for a moment: "I went to the temple a few days ago, and the master said that you hit a woman who was two or three years younger than you, who was quite Wangfu. What are you...

?

This... This is Xiaoman!

"Mom, I just cheated you. In fact, she is two or three years younger than me." Xu mang said with a smile: "her name is Yang Xiaoman, very... Very beautiful."

"Good, good."

"Are you going to take it home for the Spring Festival this year?" Xu's mother said happily, "do you have any pictures?"

"Yes!"

After hanging up,

Xu mang sent his mother a picture with Xiao man,

and then it was a tragedy.

"Son!" Xu's mother's tone was very serious: "it's still too late to turn in now. If it's too late, you'll be killed."

Xu Mang: it's over. It's been misunderstood again.

"Mom

"Your daughter-in-law has gone to college!" Xu mang said helplessly.

"Really?"

"Son, we must not do things that violate the law. If you are in prison, your father and I will lose face in front of relatives." Xu's mother tongue says: "never do bad things."

"Oh..."

the conversation between mother and son is over. Every time they talk, they ask themselves not to commit crimes.

The next day, Xu returned to the laboratory and found that Lin wanwan had been working all night with dark circles under their eyes.

"Lying trough!"

"Are you all done?" Xu mang Leng for a moment, originally planned two days of time, did not expect these people suddenly, all of a sudden, have made crazy efforts."Tutor Xu."

"See if there are any mistakes." A few people hit a hatchet, full of exhaustion to say: "we are not going to be able to... To die."

"Go back."

"I'll just be here."

After driving Lin wanwan away, Xu mang began to check the results of their efforts for one night. It took almost three hours. Basically, there was no problem. Then there was repeated calculation and verification.

Of course,

in order to save time, Xu decided to use supercomputing to help him complete the calculation and verification.

He quickly borrowed the key to supercomputing. Xu mang stayed in the supercomputing lab all afternoon. It was 4:30 p.m. until Yang Xiaoman called him.

...

on his last day at Princeton University,

Xu mang did not go to the laboratory again. At present, all he had to do was to ask Lin wanwan to proofread. As long as the proofreading was successful, he could immediately program and match it with the database. After all, the old database stored a large number of basic material parameters.

According to Xu Mang's estimation, proofreading time will take about five days. On the day when he came back, the proofreading work was finished.

It's just that...

originally a person's trip, now there is an airport of violence.

On this day,

Yang Xiaoman accompanied Xu mang to the airport. In addition to anger and helplessness, Yang Xiaoman accompanied Xu mang to the airport. He had such a beautiful girlfriend, and he would not dislike him.

"Are you nervous?" Yang Xiaoman glanced at the silent Xu mang around him and asked curiously, "you will also be nervous?"

"No...

" I was wondering if I would be allowed to speak. " Xu mang frowned: "I don't have a draft ready to speak."

"Cut!"

"How could you be allowed to speak on the stage?" Yang Xiaoman white one eye: "your English is also on the level of band 4, communicate with others are difficult, but also speak... Send a ghost."

Xu mang was stunned for a moment and said with a smile: "I don't have you. Your English level is so high. When I come to the stage to speak, you will translate beside me. I say one sentence, you translate one sentence."

Yang Xiaoman said discontentedly: "I have a request... You can't mess."

Hearing Xiaoman's words,

Xu Mang's expression gradually became obscene and said with a smile: "OK."

......

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