Ferminoic physics in dipolariton condensates

Jung-Jung Su, Na Young Kim, Yoshihisa Yamamoto, Allan H. Macdonald

Research output: Contribution to journalArticle

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Abstract

An exciton polariton is an extremely light bosonic quasiparticle that is composed of an exciton and a photon. We report on a theoretical study of exciton-polariton condensation in a system with tunnel-coupled quantum wells. Because their excitons can carry an electric dipole moment, these systems have been referred to as dipolariton condensates. We use a fermionic mean-field theory that can address quantum well and other internal exciton degrees of freedom to describe the new physics present in dipolariton condensates. We find that the role of underlying fermonic degrees of freedom is enhanced and predict that metallic condensates can occur at high carrier densities.

Original languageEnglish
Article number116401
JournalPhysical Review Letters
Volume112
Issue number11
DOIs
StatePublished - 17 Mar 2014

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