Leonid Keldysh

Leonid Keldysh
Native name Leonid Veniaminovich Keldysh
Born (1931-04-07)7 April 1931
Moscow
Died 12 November 2016(2016-11-12) (aged 85)
Moscow
Citizenship Russian
Known for Keldysh formalism
Awards Rusanoprize (2009)
Scientific career
Fields Theoretical physics
Institutions Lebedev Physical Institute

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. He was known for the Keldysh formalism,[1] a 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).[2] Keldysh'awards include the 2009 Rusnanoprize, an international nanotechnology award, for his work related to molecular beam epitaxy[3], the 2011 Eugene Feenberg Memorial Medal, and the 2015 Lomonosov Grand Gold Medal of the Russian Academy of Sciences.[4]

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.[5]

  1. Russian Academy of Sciences staff directory
  2. Keldysh's published papers in the scientific journal Physics-Uspekhi

References

  1. ↑ L. V. Keldysh (1965). "Diagram technique for nonequilibrium processes". Soviet Physics JETP. 20: 1018–1026.
  2. ↑ L. V. Keldysh and Yu. V. Kopaev (1965). "Possible instability of the semimetallic state toward Coulomb interaction". Soviet Physics - Solid State. 6: 2219–2224.
  3. ↑ "Rusnanoprize Laureates". Retrieved 2016-08-10.
  4. ↑ Federico Capasso, Paul Corkum, Olga Kocharovskaya, Lev Pitaevskii, Michael V. Sadovskii (2017). "Leonid Keldysh". Physics Today. 70: 75.
  5. ↑ Sossinsky, A. B. "In the Other Direction". mccme.ru. Retrieved 7 October 2017.


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