Condensation of photons coupled to a Dicke field in an optical microcavity

Eran Sela, Achim Rosch, and Victor Fleurov
Phys. Rev. A 89, 043844 – Published 30 April 2014

Abstract

Motivated by recent experiments reporting Bose-Einstein condensation of light coupled to incoherent dye molecules in a microcavity, we show that due to a dimensionality mismatch between the two-dimensional cavity photons and the three-dimensional arrangement of molecules, the system permits superfluid regimes where the relevant molecular degrees of freedom are collective Dicke states rather than individual excitations. For sufficiently high dye concentration, Dicke states become robust against local decoherence. In the limit when all dye molecules become excited, this system also shows Mott-Hubbard physics, despite the absence of an underlying lattice.

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  • Received 3 October 2013
  • Revised 24 March 2014

DOI:https://doi.org/10.1103/PhysRevA.89.043844

©2014 American Physical Society

Authors & Affiliations

Eran Sela1, Achim Rosch2, and Victor Fleurov1

  • 1Raymond and Beverly Sackler School of Physics and Astronomy, Tel-Aviv University, Tel Aviv 69978, Israel
  • 2Institute for Theoretical Physics, University of Cologne, 50937 Cologne, Germany

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Issue

Vol. 89, Iss. 4 — April 2014

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