Quantum stochastic theory of phonon scattering between polaritons

Details Quantum stochastic theory of phonon scattering between polaritons Quantum stochastic theory of phonon scattering between polaritons

2001-12-12

arxiv.org/abs/cond-mat/0112226v2

Physics

Condensed Matter

14 pages, 7 EPS figures

Scientific paper

Quantum stochastic operator equations are derived for inter-branch exciton and polariton processes caused by acoustic phonon scattering. The use of a fully quantum model combined with these recently developed techniques predicts the presence of ``stimulated scattering'' terms, and provides a sound basis for understanding the basis of the approximations used in generating the equations. The theory is applied to a model motivated by recent experiments where a stronger photoluminescence signal from the high energy microcavity polariton polariton is observed for low excitation powers, and also to an experimental scheme designed to show evidence of the stimulated scattering effect.

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