Takeo Matsubara

Takeo Matsubara (松原武生, Takeo Matsubara, April 3, 1921 - December 15, 2014) was a Japanese physicist. Matsubara proposed a method of statistical mechanics related to Green's function (many-body theory), by applying quantum field theory techniques to statistical physics.[2] He graduated from Osaka Imperial University, and worked as full professor in Hokkaido University, Kyoto University, and Okayama University of Science. He was the winner of the Nishina Memorial Prize in 1961, and took the directorship of the Physical Society of Japan.

Takeo Matsubara
Born(1921-04-03)April 3, 1921
DiedDecember 15, 2014(2014-12-15) (aged 93)[1]
Alma materOsaka University
Known forMatsubara frequency
Green's function
Matsubara-Toyozawa model
AwardsNishina Memorial Prize (1961)
Scientific career
InstitutionsHokkaido University
Kyoto University
Okayama University of Science

His work with Yukata Toyozawa on impurity bands in semiconductors has led to the Matsubara-Toyozawa model that describes the motion of an electron in a random lattice.[3]

His research interests were dielectric materials, superconductivity and superfluidity. He wrote various physics textbooks in Japanese.

See also


  1. "松原武生死去 京都大名誉教授、物理学". Kyoto Shimbun. 16 December 2014. Retrieved 20 April 2015.
  2. A New Approach to Quantum-Statistical Mechanics, T. Matsubara, Prog. Theor. Phys. 14 (1955) 351.
  3. Matsubara, Takeo; Toyozawa, Yutaka (1961-11-01). "Theory of Impurity Band Conduction in Semiconductors". Progress of Theoretical Physics. 26 (5): 739–756. Bibcode:1961PThPh..26..739M. doi:10.1143/ptp.26.739. ISSN 0033-068X.
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