Vitaly Efimov

Vitaly N. Efimov (Russian: Вита́лий Никола́евич Ефи́мов) is a Soviet theoretical physicist. He proposed the existence of a novel and exotic state of matter now dubbed the Efimov State as a researcher in A. F. Ioffe Physico-Technical Institute, USSR Academy of Sciences, Leningrad, USSR in his 1970 paper "Energy levels arising from resonant two-body forces in a three-body system".^[2] It was announced in 2006 that the existence of this state of matter had been confirmed.^[3]

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Vitaly Efimov
Вита́лий Никола́евич Ефи́мов
Born	1938 (age 86–87) Leningrad, Soviet Union
Nationality	Soviet Union
Alma mater	Ioffe Institute
Known for	Efimov State
Awards	Faddeev Medal (2018)
Scientific career
Institutions	USSR Academy of Sciences University of Washington
Thesis	(1966)
Doctoral advisor	Miron Ya. Amusia Lev A. Sliv[1]

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He is now an affiliate professor of physics at the University of Washington.

In 2018 he has been selected as the winner of the Inaugural Fadeev Medal.^[4]