Deng Jiaxian is one of the founders of China's theoretical research on nuclear weapons. He is the main organizer and leader of China's nuclear weapons research and development, and is known as the "father of the two bombs". In the research of atomic bomb and hydrogen bomb, Deng Jiaxian led the basic theoretical research of detonation physics, fluid mechanics, equation of state and neutron transport, completed the theoretical scheme of atomic bomb, and participated in guiding the detonation simulation test of nuclear test.
Since 1958, he has organized and led the basic theoretical research on detonation physics, fluid mechanics, equation of state, neutron transport and so on. And made a lot of simulation calculation and analysis on the physical process of the atomic bomb, thus taking the first step of China's independent research and design of nuclear weapons, leading to the completion of the theoretical scheme of China's first atomic bomb, and taking part in guiding the initiation simulation test before the nuclear test.
Immediately after the success of the atomic bomb test, we organized forces to explore the design principle of the hydrogen bomb, chose technical approaches, organized leaders and personally participated in the development and test of the first hydrogen bomb in China in 1967.
Deng Jiaxian not only attached importance to scientific experiments, but also paid special attention to sorting out and summarizing scientific theories in time. Deng Jiaxian and Zhou's Summary of Theoretical Research on China's First Atomic Bomb is a groundbreaking basic work on the theoretical design of nuclear weapons, which summarizes the research results of hundreds of scientists. This work is not only instructive for future theoretical design, but also an introductory textbook for training researchers.
Deng Jiaxian also made an important contribution to the study of the equation of state at high temperature and high pressure. In order to train young researchers, he also wrote many lectures on electrodynamics, plasma physics, spherical concentric detonation wave theory and so on. Even after assuming the heavy responsibility of the dean, he began to write Quantum Field Theory and Group Theory after work.
2. Behavior
Deng Jiaxian is an outstanding representative of intellectuals in China. For the prosperity of the motherland and the development of China's national defense scientific research, he was willing to be an unknown hero and struggled in obscurity for decades. He often appears in the most dangerous positions at critical moments, regardless of personal safety, which fully embodies his lofty and selfless dedication.
He has made outstanding contributions to the development of China's nuclear weapons, but little is known. People didn't know his deeds until after his death. He is a scientist with the most simple peasant temperament. Deng Jiaxian's keen vision made China's nuclear weapons development continue to advance rapidly for ten years, and finally reached the laboratory simulation level before the comprehensive ban on nuclear tests.
In recognition of Deng Jiaxian's great contribution to the development of China's nuclear weapons in the past 20 years, the Ministry of Nuclear Industry called on the vast number of scientific and technological personnel to learn from him, so as to carry forward his revolutionary spirit of disregarding fame and fortune, being an unsung hero and risking one's life to forget one's death.
Extended data
"Two Bombs of the Founding Fathers"
1June, 958, he and a large number of scientists were transferred to study the atomic bomb. After arriving in a sunny sorghum field in the suburbs of Beijing, he suddenly disappeared from the land of China.
At first, they were prepared to receive training from Soviet experts, but soon, the Soviet Union tore up the agreement and withdrew the experts, so Deng Jiaxian had to lead 28 newly graduated college students with an average age of only 23 years old and began a trek to the mysterious atomic kingdom.
As the director of the theoretical department of the Institute of Nuclear Weapons and the general manager of China's atomic bomb theory design, on the one hand, he set up an "Atomic Theory Literacy Class" to personally teach, coach and organize the translation and study of foreign materials, on the other hand, he thought about the main direction of the development of atomic bombs.
He correctly chose neutron physics, fluid mechanics and material properties under high temperature and high pressure as the main direction, and used simple tools such as abacus to carry out related heavy mathematical calculations. In the calculation of general mechanics of atomic bomb, there is a parameter, that is, the atmospheric pressure to be reached inside the atomic bomb when it explodes, which plays a decisive and important role in exploring the principle of atomic bomb.
So, Deng Jiaxian led a group of young people he led to work in shifts day and night, made intense calculations, and reached a breakthrough conclusion completely different from that of Soviet experts by using the characteristic method. This conclusion was finally scientifically confirmed by physicist Zhou, who returned from the Soviet Union, from the perspective of physics, thus becoming a key theoretical achievement with great application value to guide the development of atomic bombs.
After the successful development of the atomic bomb, starting from 1965, Deng Jiaxian was ordered to lead the original team to cooperate with the research team led by Yu Min transferred from the Institute of Atomic Energy, and began the task of theoretical design of the hydrogen bomb. In less than a year, he submitted a plan called "Deng Yu Plan" by foreigners to break through the principle of hydrogen bomb, which made the development of hydrogen bomb in China move forward rapidly and achieved the success of explosion theory.
References:
Baidu Encyclopedia-Deng Jiaxian
People's Network-"Two Bombs" Deng Jiaxian