Coloured noise controlled dynamics of nonlinear polaritons in semiconductor microcavityстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:he coloured noise induced escape rate from the lower energy stable
state of a driven nonlinear microcavity oscillator has been investigated
by means of quasi-classical kinetic equations. We show that for
coloured, i.e. narrow-band, relatively intense noise, the escape time is
controlled by the interplay of two mechanisms: the noise induced drift
and adiabatic regular shift of the oscillator state towards unstable
saddle point. The cross-over between these mechanisms takes place in a
particular range of the driving field intensity values, depending on the
ratio between the oscillator damping and the coloured noise spectrum
width. The dependence of the transition rate on the noise correlation
time is analyzed for wide range of correlation time values.