Chapter 236 Feed the food directly to your mouth classroom. Professor Zhong noticed that Deng Ziyi's expression seemed a little strange, so he smiled and asked, "Xiao Deng, do you have anything to add?" Before Deng Ziyi could say anything, Xu Qingzhou smiled and said, "If it's a question about the accuracy of the density matrix, then there's no need to think about it." "I studied density matrices these past two days and found that due to the cumulative errors and rounding errors in numerical calculations, the density matrix was invalid and the data accuracy was very poor. So I came up with a solution. Professor Zhong, you can take a look at it first." Professor Zhong and the other two were stunned for a moment, and even wondered if they had heard it wrong. What the hell, the density matrix problem is also solved? "Xiao Xu, you mean that after solving the problem of quantum decoherence, you studied the density matrix, discovered the accuracy problem, and then solved it?" Professor Zhong came back to his senses and asked with certainty. Xu Qingzhou pointed to the manuscript on the table and said, "Well, the stack of manuscript on the left of Senior Brother Wan has the solution." Wan Hao quickly handed the manuscript to Professor Zhong, and he and Wang Yigui stood behind Professor Zhong to look at the formulas together. First, use the Chebyshev polynomial expansion.
【H =\frac{\hbar\omega}{2}\sigma_z 】 After that, parallel computing and distributed computing technologies are used to speed up the calculation process. 【[\sigma_z \ 0 &-1 \end{pmatrix}]】 After 10 minutes. Professor Zhong put down the manuscript, let out a long breath, looked at Xu Qingzhou with a complicated expression, his throat moved, and he didn't know how to describe this young man for a moment. Xu Qingzhou is very talented in physics and can be considered an expert in mathematics. However, the impact of this incident was so great that it caused him to feel dazed. Just now I was still marveling at the fact that Xu Qingzhou solved the quantum decoherence problem in just two days. As it turned out, they had even solved the second problem. Wan Hao stared at the manuscript in his hand: "Chebyshev polynomials, why didn't we consider this before? Junior brother, how did you come up with this method?!" "I was lucky. I just wanted to give it a try, but I didn't expect it would actually work." Xu Qingzhou remained humble. "." The classroom fell silent, and Professor Zhong and the others looked even stranger. Quantum decoherence is luck, and density matrix is also luck? The first time could be considered luck, but if they still believe it was luck the second time, they must be fools. In addition to surprise, there was a hint of indescribable flavor in this man's humility. It's hard to describe the feeling. Anyway, it makes people want to punch that person hard in the face. Oh~ They thought of another big problem: had the two tough nuts that had troubled them so much in the morning actually been chewed? I was surprised and felt that this matter was too weird.
Deng Ziyi sighed repeatedly in her heart, and when she saw Professor Zhong had the same expression on his face as she had before, she thought happily: Look, even the professor and the others are stunned. Professor Zhong took a deep breath to calm himself down, looked at the two dark circles under Xu Qingzhou's eyes, and thought for a while, "Xiao Xu, you must be very tired these past two days. Go to the dormitory and have a rest first. Xiao He and I will go over these two plans." Xu Qingzhou had no objection, nodded, and said with a smile: "If you have any questions, you can call me." I stayed up until four o'clock and got up at around 7 o'clock today. Now my body has started to protest and is sending signals that it needs to rest after being tired. After giving all the manuscript papers to Professor Zhong, Xu Qingzhou nodded to Wan Hao and the others, then went to the dormitory with his schoolbag. There were only four people left in the classroom. Looking at the two thick stacks of information on the table, Professor Zhong fell silent again. For some reason, he suddenly recalled a sentence he had said to his students when he was teaching: I have already fed the food to your mouths, blah blah. Thinking of this, Professor Zhong couldn't help but laugh at himself. He was a professor at HKUST, but he actually felt like he was being fed. Even chewed it up before feeding. Kind of outrageous. On the side, Wan Hao and Wang Yigui had similar ideas to Professor Zhong. This matter was really unbelievable. Could a person really be so defiance to this extent? Let’s cheat! We only have 24 hours in a day, but this fellow student has 48 hours. Especially Wan Hao, who was a little skeptical when he first heard Xu Qingzhou say that the problem of quantum decoherence might be solved. Now I am convinced. It can only be said that there is no empty person under the great reputation. "Everyone, stop standing there and start working." Professor Zhong clapped his hands. Although he was moved, he felt that it was a good thing to be able to finish something so quickly that originally planned to take two weeks to complete. Wan Hao and the other person nodded and began to verify the density matrix, while Professor Zhong was mainly responsible for determining the quantum decoherence plan. Deng Ziyi worked as a clerk beside Professor Zhong. Just as the four of them started to get busy, Xu Qingzhou had already returned to the temporary dormitory, set an alarm for 12 o'clock, and fell asleep. 11:40 noon. Before Xu Qingzhou woke up, Professor Zhong came to Academician Ma Zailiang's office with two documents. "Professor Zhong." Academician Ma smiled gently, waved his hand to signal Professor Zhong to sit down first, and poured him a cup of tea. Professor Zhong sat down and said directly: "We have solved the problem of quantum decoherence and density matrix." "Hmm?" Academician Ma was stunned for a moment, paused, and said with a little emotion: "Sure enough, with Master Su, everything is not a problem." Professor Zhong shook his head and said with a wry smile: "You misunderstood. The person who solved these two problems was not the teacher, but Xu Qingzhou, a member of our group." "Xu Qingzhou?" Academician Ma paused while drinking tea, and seemed to be unresponsive. "Ah." Professor Zhong's eyes were full of admiration, and he said, "The solutions to quantum decoherence and density matrix were all thought up by Xu Qingzhou."
"." After reading both documents, Academician Ma exhaled a breath, "This kid is really unexpected. It seems that it was right to bring him here in the first place." "Among the young people I have ever met, Xu Qingzhou has the strongest talent in physics," said Professor Zhong. "Yes, our Xia country's physics community will have a new star in the future." At noon, Xu Qingzhou got up on time, sent a message to Song Yao, then went to the cafeteria to eat, and then returned to the laboratory. Professor Zhong and the others haven't left yet. Professor Zhong smiled and said, "Xiao Xu, we have verified both of your plans. They are both correct and highly efficient. They are not only suitable for medium and low-orbit quantum satellites, but also can be modified. Academician Ma and I both think that they can even be used on future high-orbit satellites!" "As long as it can be used." Xu Qingzhou thought that these things were really picked up from medium and high orbit satellites, and could be considered a weakened version. "Junior brother, you're awesome." Wan Hao expressed his admiration for Xu Qingzhou in a simple and clear manner. Xu Qingzhou smiled modestly. The two obstacles are gone, and the next step is the subsequent verification. But it didn't start until the afternoon. Professor Zhong and the others went to eat, and Xu Qingzhou had nothing to do, so he simply took out two pieces of hypothetical information from his bag and spent the lunch hour reading the information. (End of this chapter)