Collective Dynamics of Bose-Einstein Condensates in Optical Cavities

J. Keeling, M. J. Bhaseen, and B. D. Simons
Phys. Rev. Lett. 105, 043001 – Published 20 July 2010

Abstract

Experiments on Bose-Einstein condensates in optical cavities have observed a coherent state of the matter-light system—superradiance. The nature of these experiments demands consideration of collective dynamics. Including cavity leakage and the backreaction of the cavity field on the condensate, we find a rich phase diagram including multiphase coexistence regions, and persistent optomechanical oscillations. The proximity of the phase boundaries results in a critical slowing down of the decay of many-body oscillations, which can be enhanced by large cavity loss.

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  • Received 2 March 2010

DOI:https://doi.org/10.1103/PhysRevLett.105.043001

©2010 American Physical Society

Authors & Affiliations

J. Keeling, M. J. Bhaseen, and B. D. Simons

  • University of Cambridge, Cavendish Laboratory, Cambridge, CB3 0HE, UK

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Vol. 105, Iss. 4 — 23 July 2010

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