Exciton-Polariton Mediated Superconductivity
Fabrice P. Laussy, Alexey V. Kavokin, Ivan A. Shelykh
DOI 10.1103/PhysRevLett.104.106402 · Physical Review Letters
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Abstract
We revisit the exciton mechanism of superconductivity in the framework of microcavity physics, replacing virtual excitons as a binding agent of Cooper pairs by excitations of an exciton-polariton Bose-Einstein condensate. We consider a model microcavity where a quantum well with a two-dimensional electron gas is sandwiched between two undoped quantum wells, where a polariton condensate is formed. We show that the critical temperature for superconductivity dramatically increases with the condensate population, opening a new route towards high-temperature superconductivity.
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