Misc,

Equilibrium to nonequilibrium condensation in driven-dissipative semiconductor systems

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(2014)cite arxiv:1403.5593Comment: 19 pages, 7 figures; prepared for the Springer Lecture Notes in Physics "Quantum Computing, Quantum Communication and Quantum Metrology" edited by Yoshihisa Yamamoto and Kouichi Semba.

Abstract

Semiconductor microcavity systems strongly coupled to quantum wells are now receiving a great deal of attention because of their ability to efficiently generate coherent light by the Bose-Einstein condensation (BEC) of an exciton-polariton gas. Since the exciton polaritons are composite quasi-bosonic particles, many fundamental features arise from their original constituents, i.e., electrons, holes and photons. As a result, not only equilibrium phases typified by the BEC but also nonequilibrium lasing phases can be achieved. In this contribution, we describe a framework which can treat such equilibrium and nonequilibrium phases in a unified way.

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