Reborn Technology Scholar
Chapter 538: Particle Spin and Quantum Focus
This Physics Society quantum physics symposium held at Zhejiang University is definitely the largest and best quality quantum physics symposium since the founding of the Physics Society!
In the past, as an academic exchange conference of the nature of a private society, it was very common in the domestic academic circle, and it is difficult to say how influential it was. After all, in the domestic academic field of physics, especially the targeted field of quantum physics, the influence of the seminar was also
It could not reach the first-class level, because at that time, there was not necessarily a top physicist participating. Many participants were actually graduate students and doctoral students in physics majoring in quantum mechanics. At a higher level, they were associate professors and professors at the university. It would be difficult to have an outstanding person.
It’s pretty good even if you have young people participating.
This time the quantum physics seminar is different. Thanks to the influence of Qin Yuanqing's participation in the seminar, most of the people attending this seminar are well-known professors from prestigious universities, generally Yangtze River scholars, outstanding young people, even academicians.
Not surprisingly, many physicists are the world's top physicists and have made outstanding contributions in the microscopic and quantum fields.
There are thousands of physicists participating. As for those graduate students, doctoral students, lecturers, associate professors, etc., they don’t have a seat in the auditorium. They can only listen from the surroundings, but they still have faces on their faces.
They were full of excitement. After all, it was rare to attend such a grand event, and they were happy to even just sit in on it.
Originally, only local media would report, but this time, many national media specially sent reporters to the conference site to report.
The entire physics seminar will be held for three days. In the morning and afternoon, three invited scholars will be arranged to take the stage to give academic reports. In the morning of the first day, except for the opening ceremony, only two scholars will be arranged to take the stage to give academic reports. On the third day
In the afternoon, there will be a special academic report by Qin Yuanqing and the closing ceremony.
The reason for this arrangement was mainly because he was afraid that if Qin Yuanqing gave an academic report from the beginning, other scholars might find the subsequent academic report boring and leave. As a result, the huge auditorium would be empty, which would be very embarrassing. The scene
It would be super embarrassing.
Therefore, the Physics Society deliberately arranged for Qin Yuanqing to give his last academic report on the last day, and the entire afternoon belonged to Qin Yuanqing, which was enough for other scholars to have a spark of wisdom with Qin Yuanqing. Other scholars would never give a speech before the last day of the seminar.
leave.
The opening ceremony was simple and not grand. The president of the Physical Society took the stage and delivered a speech. He thanked all the scholars for taking time out of their busy schedules to attend the meeting. He also thanked Zhejiang University for organizing this quantum physics seminar and its strong support for the quantum physics seminar.
Then the conference's duration for three days, the venue order, procedures, etc. of the conference were announced, which represented the end of the opening ceremony.
The host began to invite the first guest to give an academic report. This guest is a first-level researcher at the Institute of High Energy Physics of the Chinese Academy of Sciences. He enjoys a high academic status in the country. Although he is not an academician, he is selected as an outstanding youth, and this talent is 40
At this age, it can be said that the future is promising.
The academic report given by this researcher named "Hou Qingjie" is about the spin of particles!
Qin Yuanqing listened carefully to the academic report of 'Hou Qingjie' with great interest.
The discovery process of parity non-conservation, simply put, is that the spin direction of the particle is asymmetrical in the mirror image.
There are many kinds of particles in quantum physics, and 'spin' is a characteristic of particles. It refers to the intrinsic motion caused by the intrinsic angular momentum of the particle. Its operation rules are similar to the angular momentum of classical mechanics, and this will produce a
magnetic field.
The two are completely different in nature.
The spin of particles is a very popular direction in physics research.
For example, supersymmetry!
Particles with a half-integer spin are called fermions and obey Fermi-Dirac statistics; particles with a non-negative integer spin are called bosons and obey Bose-Einstein statistics.
The study of the symmetry of fermions and bosons is the issue of supersymmetry and is also the basis of the m-theory argument.
"Yes, Hou Qingjie is indeed the backbone of the Institute of High Energy Physics of the Chinese Academy of Sciences. His academic level is indeed world-class!" Qin Yuanqing nodded slightly.
As a master-level being who has reached level 15 in physics, Qin Yuanqing's attainments in physics are not limited. Qin Yuanqing can easily tell whether a person's academic level is just showing off.
As the host just said when introducing Hou Qingjie, Hou Qingjie graduated from Shuimu University with a bachelor's degree, and then went to MIT to study high energy physics. It took him four years to obtain a doctorate and five years of research at the MIT postdoctoral workstation.
, and then chose to return to China and joined the Institute of High Energy Physics of the Chinese Academy of Sciences.
Speaking of which, this belongs to Shuimu, the bricklayer, and is also the disciple of Mr. Yang!
Because Hou Qingjie’s mentor is one of Mr. Yang’s students!
As Hou Qingjie's academic report ended, the participants gave Hou Qingjie warm applause, which represented their recognition of Hou Qingjie. Then, under the auspices of the host, the academic exchange issues were entered. Some scholars asked Hou Qingjie some questions about what they had just said.
Questions about his academic lectures.
At the end of the half-hour communication session, the host invited the second guest in the morning to give an academic work report.
The second invited guest is a first-level researcher at Shuimu Institute for Advanced Study named Zhao Cheng. He has more than ten years of overseas study experience, is committed to research in the quantum field, and has published theoretical physics results with world influence.
He was selected as an Outstanding Young Scholar a few years ago and is expected to be elected as an academician before the age of 60.
The academic report he gave was about some research and thinking on the ultimate nature of matter. It can be said that as soon as the topic of the academic report came out, it immediately attracted a lot of attention.
Today, seeking to understand the ultimate nature of matter has become the focus of major scientific research. Therefore, his academic report reminds people of the crazy and miraculous days when quantum mechanics was created.
With the development of quantum physics now, we must strive to find a quantum description of gravity. After half a century of efforts, it has been shown that the quantization program of the electromagnetic field, QED's masterpiece, fails for the gravitational field. This problem is very serious, because if the general theory of relativity and quantum
If both mechanics are true, they must provide essentially compatible descriptions of the same event. There will be no contradictions in the world around us, because gravity is so weak relative to electricity that its quantum effects can be ignored, and the classical description is sufficient.
Perfect. But for systems with very strong gravity like celestial bodies, there is no reliable way to predict their quantum behavior.
A century ago, the physical world we understood was empirical. In the 20th century, quantum mechanics provided us with a theory of matter and fields, which changed our world. Looking forward to the 21st century, quantum mechanics will continue to provide an important foundation for all sciences.
Provide basic concepts and important tools. However, compared with the brilliant achievements of quantum mechanics in the 20th century, the 21st century so far has undoubtedly eclipsed in comparison. Many scholars believe that if you want to develop quantum physics in the 21st century, you must find
The method thoroughly predicts the properties of the basic elements that make up matter, rather than relying on basic experience.
For example, some scholars are studying wormholes between different regions of time and space. This is not an invention of science fiction writers, but has scientific basis. However, no complete theory or proof of actual existence has been found so far.
Listening to Zhao Cheng's academic report, Qin Yuanqing was very emotional. Sure enough, the economy determines the superstructure. In the past, China was poor and had little money to invest in the field of scientific research. Academic researchers lived a hard life, and it was natural to have a hard time.
It is difficult for many scholars to persist in their own research and make great achievements.
But now that we are getting richer, the country's annual scientific research funding is increasing year by year. This allows more and more scholars to engage in their favorite fields and concentrate on research, and they also have enough funds to conduct academic exchanges. Therefore, many research results
In fact, it is a world-leading achievement, and the level of scholars is increasing at a rate that can be discerned with the naked eye.
For example, the scientific research focus of quantum physics is the most cutting-edge research field of quantum physics. In the past, China would have been watching people running from far behind, worried about being left far away and unable to see, but now,
China belongs to the first echelon in the world.
At the same time, it can be seen that the echelon construction in China's research field is very healthy. As the older generation ages and leaves, the Mesozoic generation takes over one by one, and the level is higher than that of the predecessors.
Qin Yuanqing was sometimes very proud of his compatriots. Perhaps because the material level had improved and there was no harsh environment like before, our ability to endure hardship and stand hard work may not be as good as that of our predecessors, but we all have one thing in common, that is, for the greatness of China
Reviving and moving forward one after another, even if it means sacrifice, it is still a joy!
And this kind of thing not only exists in the academic field, but is also common in the military. He couldn't help but think of Xu Ruhai, a 2012 graduate who had been chosen by him to be a guest at Shuimu's graduation ceremony. He joined the army after military training and was just promoted to regimental commander.
At that time, he died heroically. He never took a step back until he died, and used his own blood and life to fulfill the promise he made.
He also remembered that Wang Ying, a 2011 undergraduate who was an invited guest in the same session, worked as a poverty alleviation cadre in Sichuan. Even when he was in a high position, he focused on poor areas in vain. As a result, he was killed in a mudslide.
In the ravine.
Similarly, there are also people like Ke Wenliang, who graduated with a bachelor's degree in 2012, and returned to his hometown to work as a poverty alleviation cadre to repay his hometown. However, at the age of only 30, he became ill from overwork and died at his job.
In addition, for example, with a transfer order, researchers resolutely choose to say goodbye to their comfortable working environment and reluctant family members, and go to the desert to engage in controllable nuclear fusion. How many people forget to eat and sleep, and work together to achieve this?
The Jinwu Project achieved great success in the first phase.
Qin Yuanqing fell into deep thoughts. He didn't know when warm applause rang out in the auditorium. Qin Yuanqing came back from his thoughts and realized that Zhao Cheng had finished his academic report and was entering the communication session.
After half an hour of communication, the host announced that the morning was officially over. Next, all scholars should follow the volunteers to the canteen for dinner.
The scholars were in twos and threes, walking and chatting about the two academic reports in the morning.
"Hou Qingjie's academic report inspired me a lot. I didn't expect that the spin of particles can be understood in this way. No wonder he was selected as an outstanding student."
"Some of Zhao Cheng's thoughts are also very interesting. This trip is really worthwhile. I look forward to Academician Qin's academic report."
"I'm also looking forward to it. I've benefited a lot from Professor Qin's class last time!"
"If every quantum physics seminar had such a level, I would definitely attend every time. The previous seminars were not even as good as university lectures."
"..."
Qin Yuanqing also came to the canteen under the guidance of volunteers. At this time, there were already students eating in the canteen. Qin Yuanqing took a plate and lined up.
"Great Demon King, you line up in front!" The students in front of Qin Yuanqing were shocked and quickly moved out of the way.
Are you kidding me? A big shot like Qin Yuanqing queues up to get food. Doesn't this make him feel uneasy when eating? Doesn't this mean he will lose his life?
"It's okay, just line up, don't panic! Hold on!" Qin Yuanqing said with a smile.
It's not his first time eating in the cafeteria. When he was at Shuimu University, he was a frequent visitor to the cafeteria, and it was normal to queue up to eat.
"Big Devil, can you sign your name for me?" the little girl said timidly.
"Okay!" Qin Yuanqing did not refuse and signed his name in the little girl's pink notebook.
"Oh yeah!" the little girl shouted excitedly.
You must know that young people are envious and jealous of Yang Qian, not because she won the first gold medal in the Olympic Games, nor because she is a Shuimu university student, but because she received the first signature and blessing from Qin Yuanqing, and has since been blessed with the blessings of Wenquxing, and her life has been great.
For a change, I won gold medals one after another in the competition, and my studies were not affected at all. I ended my undergraduate studies as an outstanding graduate of Shuimu, and entered the postgraduate stage of Shuimu with my head held high. Now I am preparing for the Paris Olympics.
Therefore, many people want to get Qin Yuanqing's autograph, thinking that it is like an amulet, Wenquxing protects the body, so that some people on the Internet pay high prices just to get Qin Yuanqing's autograph.
Look at how many people travel to Qin, Yuan and Qing’s hometown every year. It’s not just parents who bring their children, hoping that their children will have some literary luck and better academic performance.
For the education of their children, parents can give everything!
Qin Yuanqing smiled. He is really a child who has not grown up. The post-00 generation group is really a group of lovely children, with distinctive personalities and full of creativity.
Although there are some voices criticizing the children born after 2000 in society, Qin Yuanqing still believes that the children born after 2000 who enjoy better education and better environment must be better than their predecessors. Sooner or later, they will prove what it means to push back the wave of the Yangtze River.
Qianlang, Qianlang died on the beach!
For those born in the 1990s, they never had access to mobile phones or computers when they were young. But for those born after 2000, when they were sensible, mobile phones were very popular, and computers were also very common. When they were a little older, they were already playing with smartphones and iPads.
They will be better creative.
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