Exciton-polariton mediated superconductivity

Details Exciton-polariton mediated superconductivity Exciton-polariton mediated superconductivity

2009-07-14

arxiv.org/abs/0907.2374v3

Phys. Rev. Lett., 104, 106402 (2010)

Physics

Condensed Matter

Superconductivity

Final version with various corrections

Scientific paper

10.1103/PhysRevLett.104.106402

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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