197 1 year, Yang Zhenning gave speeches in many cities in the United States. Influenced by him, many Americans began to be friendly to China and willing to be close to China. Some Chinese-American scholars returned to China to make suggestions and suggestions for the cause of science and technology education in the motherland.

2. Take part in the fishing protection campaign

197 1 In the first half of the year, Yang Zhenning took part in the fishing protection movement. As the first overseas Chinese scientist to visit New China, he only went back to the United States once in 197 1, that is, at the invitation of students from nursery schools, he gave lectures in colleges and universities all over the United States, showing his indomitable spirit to domestic students and infecting groups of enthusiastic young people with the idea of serving the country.

3. Promote exchanges between Chinese and American universities.

From 65438 to 0974, Yang Zhenning took the opportunity of visiting relatives in Shanghai and had fruitful cooperation with more than a dozen teachers such as Gu Chaohao of Fudan University for several years, which led to the signing of an exchange agreement between the State University of New York at Stony Brook and Fudan University.

4. It is suggested to strengthen popular science.

From 65438 to 0975, Yang Zhenning suggested to Zhou Enlai to strengthen science popularization and introduce the copyright of the Chinese version of Scientific American. With the concern of Deng Xiaoping and other leaders, this publication entered China, becoming the first periodical of copyright cooperation in China after the reform and opening up, that is, the predecessor of Global Science. Scientific American is the magazine with the longest history and the longest continuous publishing time in the world, which has influenced several generations of elites.

5.CEEC bonus was established to support China.

198 1 year, Yang Zhenning set up the CEEC Award in Xishi Campus of the United States, and raised funds from the United States and Hong Kong, specifically to subsidize the personnel of domestic universities and research institutes to be visiting scholars in Xishi. By the early 1990s, more than 80 China scholars had been funded by this award and successfully went to the United States, and most of them returned to their original units on time.

Extended data:

Academic achievements:

1, theoretical explanation of flux neutralization of superconductors

196 1 year, through close communication with Fei Zhengqing experimental group, Yang Zhenning and byers theoretically explained the superconducting magnetic ionization discovered by the experimental group, proved that electron pairing can lead to observed phenomena, clarified the basic principle of electromagnetic field without introducing new principles, and corrected the mistakes of London reasoning.

In this work, Yang Zhenning and byers applied gauge transformation technique to condensed matter system. Related physics and methods were later widely used in the study of superconductivity, superfluidity and quantum Hall effect.

2. Exact solution of boson in the repulsive potential of 1 dimensional δ function at finite temperature.

In 1969, Yang Zhenning and Yang Zhenping pushed the boson problem in the repulsive potential of 1 dimensional δ function to a finite temperature. This is the first time in history that a quantum statistical model of interaction is obtained at a finite temperature (T >). This model and results were later realized and verified by experiments in the cold atomic system.

3. Off-diagonal long program

1962, Yang Zhenning put forward the concept of "long-range order from two angles", thus describing the essence of superfluidity and superconductivity in a unified way, and deeply discussing the root of flux ionization. This is a key concept of contemporary condensed matter physics.

From 1989 to 1990, Yang Zhenning found the eigenstate with off-diagonal long program in the Hubbard model closely related to HTS, and found its SO(4) symmetry with Zhang Shousheng.

Baidu Encyclopedia-Yang Zhenning

People's Network-Yang Zhenning, Chen Ning and Lin Yan