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arxiv: cond-mat/0604394 · v5 · submitted 2006-04-16 · ❄️ cond-mat.mes-hall

Quantum Degenerate Exciton-Polaritons in Thermal Equilibrium

classification ❄️ cond-mat.mes-hall
keywords polaritonsdegeneratedistributionequilibriumquantumthermalaboveangle-resolved
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We study the momentum distribution and relaxation dynamics of semiconductor microcavity polaritons by angle-resolved and time-resolved spectroscopy. Above a critical pump level, the thermalization time of polaritons at positive detunings becomes shorter than their lifetime, and the polaritons form a quantum degenerate Bose-Einstein distribution in thermal equilibrium with the lattice.

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