Nature Communications (Jan 2020)

Observation of quantum depletion in a non-equilibrium exciton–polariton condensate

  • Maciej Pieczarka,
  • Eliezer Estrecho,
  • Maryam Boozarjmehr,
  • Olivier Bleu,
  • Mark Steger,
  • Kenneth West,
  • Loren N. Pfeiffer,
  • David W. Snoke,
  • Jesper Levinsen,
  • Meera M. Parish,
  • Andrew G. Truscott,
  • Elena A. Ostrovskaya

DOI
https://doi.org/10.1038/s41467-019-14243-6
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 7

Abstract

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Many aspects of polariton condensate behaviour can be captured by mean-field theories but interactions introduce additional quantum effects. Here the authors observe quantum depletion in a driven-dissipative condensate and find that deviations from equilibrium predictions depend on the excitonic fraction.