Vitaly Efimov

Vitaly Efimov
Вита́лий Никола́евич Ефи́мов
Born1938 (age 8687)
NationalitySoviet Union
Alma materIoffe Institute
Known forEfimov State
AwardsFaddeev Medal (2018)
Scientific career
InstitutionsUSSR Academy of Sciences
University of Washington
Thesis (1966)
Doctoral advisorMiron Ya. Amusia
Lev A. Sliv

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". It was announced in 2006 that the existence of this state of matter had been confirmed.

Formerly an affiliate professor of physics at the University of Washington, he is now a lecturer emeritus.

In 2018 he has been selected as the winner of the Inaugural Fadeev Medal.