Leonid Keldysh (7 April 1931 – 11 November 2016) was a Russian physicist. Keldysh was a professor in the I.E. Tamm Theory division of the Lebedev Physical Institute of the Russian Academy of Sciences in Moscow and a faculty member at Texas A&M University. He was known for developing the Keldysh formalism, a powerful quantum field theory framework designed to describe a system in a non-equilibrium state, as well as for the theory of excitonic insulators (Keldysh-Kopaev model, with Yuri Kopaev). Keldysh'awards include the 2009 Rusnanoprize, an international nanotechnology award, for his work related to molecular beam epitaxy, the 2011 Eugene Feenberg Memorial Medal, and the 2015 Lomonosov Grand Gold Medal of the Russian Academy of Sciences.
Leonid Veniaminovich Keldysh
|Died||11 November 2016 (aged 85)|
|Known for||Keldysh formalism|
|Institutions||Lebedev Physical Institute|
Keldysh was a son of mathematician Lyudmila Keldysh. His uncle, Mstislav Keldysh, was a mathematician and the president of the Russian Academy of Sciences of the Soviet Union. Sergei Novikov, a mathematician and a Fields medalist, is his step-brother.
- L. V. Keldysh (1965). "Diagram technique for nonequilibrium processes". Soviet Physics JETP. 20: 1018–1026.
- L. V. Keldysh and Yu. V. Kopaev (1965). "Possible instability of the semimetallic state toward Coulomb interaction". Soviet Physics - Solid State. 6: 2219–2224.
- "Rusnanoprize Laureates". Retrieved 2016-08-10.
- Federico Capasso, Paul Corkum, Olga Kocharovskaya, Lev Pitaevskii, Michael V. Sadovskii (2017). "Leonid Keldysh". Physics Today. 70: 75.CS1 maint: Multiple names: authors list (link)
- Sossinsky, A. B. "In the Other Direction". mccme.ru. Retrieved 7 October 2017.
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