Nature Communications (Jan 2020)

Directional Goldstone waves in polariton condensates close to equilibrium

  • Dario Ballarini,
  • Davide Caputo,
  • Galbadrakh Dagvadorj,
  • Richard Juggins,
  • Milena De Giorgi,
  • Lorenzo Dominici,
  • Kenneth West,
  • Loren N. Pfeiffer,
  • Giuseppe Gigli,
  • Marzena H. Szymańska,
  • Daniele Sanvitto

DOI
https://doi.org/10.1038/s41467-019-13733-x
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 7

Abstract

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Polariton condensates undergo continuous driving and dissipation, posing challenges for investigating their collective behaviour. Ballarini et al. adapt an oceanographic technique to measure the asymmetric occupation of the Goldstone mode and identify similarities with equilibrium condensates.