Thursday, November 22, 2012

1211.5039 (Luc Nguyen-Thê et al.)

Many-body physics of intersubband polaritons    [PDF]

Luc Nguyen-Thê, Simone De Liberato, Motoaki Bamba, Cristiano Ciuti
Intersubband polaritons are light-matter excitations originating from the strong coupling between an intersubband quantum well electronic transition and a microcavity photon mode. In this paper we study how the Coulomb electron-electron interaction and the Pauli saturation of the electronic transitions affect the physics of intersubband polaritons. We develop a microscopic many-body theory for the physics of such composite bosonic excitations in a microcavity-embedded two-dimensional electron gas. As a first application, we calculate the modification of the depolarization shifts and the efficiency of intersubband polariton-polariton scattering processes.
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