Аннотация:A multimode theory of superradiance in Raman scattering (SRRS) of light in atomic
and molecular systems is developed.The process of formation of the superradiant
state from an initially incoherent state via exchange of
spontaneously emitted photons between the atoms is considered in explicit form.
The
time
dynamics
of
the populations in
the
waveform of
SRRS
pulse
as
well
as
the angular
structure
of
the
radiation
are
investigated.
The
influence
of
the
depletion
of
the
pump
is
estimated
and
an
additional
condition
is
derived
for
the
density
of
the
number
of
scattering
atoms,
namely,
n
has an upper
bound
besides
the
lower
bound,
n,,,
<n
<n,,.
It
is
noted
that,
as
a
result,
the
observation
of
SRRS
is most
probable
in
gaseous media