Many-body physics of a quantum fluid of exciton-polaritons in a semiconductor microcavity
Iacopo Carusotto, Michiel Wouters, Cristiano Ciuti
TL;DR
This paper reviews nonlinear optics in semiconductor microcavities, emphasizing many-body physics of interacting photon gases, and highlights their potential for studying quantum fluid phenomena with analogies to cold atom systems.
Contribution
It provides a comprehensive review of many-body effects in exciton-polariton fluids, emphasizing non-equilibrium behaviors and drawing parallels with cold atom systems.
Findings
Identifies unique non-equilibrium behaviors in photon gases.
Draws analogies between polariton fluids and cold atom systems.
Highlights potential of optical systems for quantum fluid research.
Abstract
Some recent results concerning nonlinear optics in semiconductor microcavities are reviewed from the point of view of the many-body physics of an interacting photon gas. Analogies with systems of cold atoms at thermal equilibrium are drawn, and the peculiar behaviours due to the non-equilibrium regime pointed out. The richness of the predicted behaviours shows the potentialities of optical systems for the study of the physics of quantum fluids.
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