Shin'ichirō Tomonagashin ichirō tomonaga mio, shin ichirō tomonaga midway
Shin'ichirō Tomonaga1 朝永 振一郎, Tomonaga Shin'ichirō, March 31, 1906 – July 8, 1979, usually cited as Sin-Itiro Tomonaga in English,2 was a Japanese physicist, influential in the development of quantum electrodynamics, work for which he was jointly awarded the Nobel Prize in Physics in 19653 along with Richard Feynman and Julian Schwinger
- 1 Biography
- 2 Publications
- 21 Books
- 22 Articles
- 3 See also
- 4 References
- 5 Further reading
- 6 External links
Tomonaga was born in Tokyo in 1906 He was the second child and eldest son of a Japanese philosopher, Tomonaga Sanjūrō He entered the Kyoto Imperial University in 1926 Hideki Yukawa, also a Nobel Prize winner, was one of his classmates during undergraduate school During graduate school at the same university, he worked as an assistant in the university for three years In 1931, after graduate school, he joined Nishina's group in Riken In 1937, while working at Leipzig University Leipzig, he collaborated with the research group of Werner Heisenberg Two years later, he returned to Japan due to the outbreak of the Second World War, but finished his doctoral degree on the study of nuclear materials with his thesis on work he had done while in Leipzig
In Japan, he was appointed to a professorship in the Tokyo University of Education a forerunner of Tsukuba University During the war he studied the magnetron, meson theory, and his super-many-time theory In 1948, he and his students re-examined a 1939 paper by Sidney Dancoff that attempted, but failed, to show that the infinite quantities that arise in QED can be canceled with each other Tomonaga applied his super-many-time theory and a relativistic method based on the non-relativistic method of Wolfgang Pauli and Fierz to greatly speed up and clarify the calculations Then he and his students found that Dancoff had overlooked one term in the perturbation series With this term, the theory gave finite results; thus Tomonaga discovered the renormalization method independently of Julian Schwinger and calculated physical quantities such as the Lamb shift at the same time
In the next year, he was invited by Robert Oppenheimer to work at the Institute for Advanced Study in Princeton He studied a many-body problem on the collective oscillations of a quantum-mechanical system In the following year, he returned to Japan and proposed the Tomonaga-Luttinger liquid In 1965, he was awarded the Nobel Prize in Physics, with Julian Schwinger and Richard P Feynman, for the study of QED, specifically for the discovery of the renormalization method He died of throat cancer in Tokyo in 1979
Tomonaga was married in 1940 to Ryōko Sekiguchi They had two sons and one daughter He was awarded the Order of Culture in 1952, and the Grand Cordon of the Order of the Rising Sun in 1976
- Tomonaga, Sin-Itiro 1997 The Story of Spin Oka, Takeshi trans University of Chicago Press ISBN 0-226-80794-0
- Tomonaga, S "On a Relativistically Invariant Formulation of the Quantum Theory of Wave Fields" Prog Theor Phys 1, 27–42 1946
- Koba, Z, Tati, T and Tomonaga, S "On a Relativistically Invariant Formulation of the Quantum Theory of Wave Fields II" Prog Theor Phys 2, 101–116 1947
- Koba, Z, Tati, T and Tomonaga, S "On a Relativistically Invariant Formulation of the Quantum Theory of Wave Fields III" Prog Theor Phys 2, 198–208 1947
- Kanesawa, S and Tomonaga, S "On a Relativistically Invariant Formulation of the Quantum Theory of Wave Fields IV" Prog Theor Phys 3, 1–13 1948
- Kanesawa, S and Tomonaga, S "On a Relativistically Invariant Formulation of the Quantum Theory of Wave Fields V" Prog Theor Phys 3, 101–113 1948
- Koba, Z and Tomonaga, S "On Radiation Reactions in Collision Processes I" Prog Theor Phys 3, 290–303 1948
- Tomonaga, S and Oppenheimer, J R "On Infinite Field Reactions in Quantum Field Theory" Phys Rev 74, 224–225 1948
- List of Japanese Nobel laureates
- List of Nobel laureates affiliated with Kyoto University
- List of Nobel laureates affiliated with the University of Tokyo
- ^ For this spelling see: Shigeru Nakayama, Kunio Gotō, Hitoshi Yoshioka eds, A Social History of Science and Technology in Contemporary Japan: Road to self-reliance 1952-1959, Trans Pacific Press, 2005, p 723
- ^ Schweber, S S 1994 QED and the Men Who Made It: Dyson, Feynman, Schwinger, and Tomonaga Princeton University Press p 252 ISBN 9780691033273
- ^ Hayakawa, Satio December 1979 "Obituary: Sin-itiro Tomonaga" Physics Today 32 12: 66–68 Bibcode:1979PhT32l66H doi:101063/12995326
- Lundqvist, Stig, ed 1998 Nobel Lectures in Physics 1963-1970 World Scientific pp 126–39 ISBN 981-02-3404-X
- Schweber, Silvan S 1994 QED and the Men Who Made It: Dyson, Feynman, Schwinger, and Tomonaga Princeton University Press ISBN 0-691-03327-7
- Tomonaga's Nobel Prize Lecture
|Wikiquote has quotations related to: Shin'ichirō Tomonaga|
- Nobel Prize biography
- Shinichiro Tomonaga
- Fundamental work in quantum electrodynamics, with deep-ploughing consequences for the physics of elementary particles
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