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Ludvig Faddeev
Ludvig Dmitrievich Faddeev
(also
Ludwig Dmitriyevich
; ; born March 23, 1934) is a
Soviet
and
Russian
theoretical physicist
and
mathematician
. He is famous for the discovery of the
Faddeev equations
in the theory of the quantum mechanical
three-body problem
and for the development of
path integral
methods in the quantization of non-abelian
gauge field theories
, including the introduction (with
Victor Popov
) of
Faddeev–Popov ghosts
. He led the Leningrad School, in which he along with many of his students developed the
quantum inverse scattering method
for studying
quantum integrable systems
in one space and one time dimension. This work led to the invention of
quantum groups
by
Drinfeld
and
Jimbo
.
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