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Sonic black holes in dilute Bose-Einstein condensates

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Garay Elizondo, Luis Javier and Cirac, J. I. and Anglin, J. R. and Zoller, P. (2001) Sonic black holes in dilute Bose-Einstein condensates. Physical review A, 63 (2). ISSN 1050-2947

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Official URL: http://dx.doi.org/10.1103/PhysRevA.63.023611




Abstract

The sonic analog of a gravitational black hole in dilute-gas Bose-Einstein condensates is investigated. It is shown that there exist both dynamically stable and unstable configurations which, in the hydrodynamic limit, exhibit behaviors completely analogous to that of gravitational black holes. The dynamical instabilities involve the creation of quasiparticle pairs in positive and negative energy states. We illustrate these features in two qualitatively different one-dimensional models, namely, a long, thin condensate with an outcoupler laser beam providing an "atom sink" and a tight ring-shaped condensate. We also simulate the creation of a stable sonic black hole by solving the Gross-Pitaevskii equation numerically for a condensate subject to a trapping potential which is adiabatically deformed. A sonic black hole could, in this way, be created experimentally with state-of-the-art or planned technology.


Item Type:Article
Additional Information:

© 2001 The American Physical Society.
We thank the Austrian Science Foundation and the European Union TMR networks ERBFMRX–CT96–0002 and ERB–FMRX–CT96–0087. J.R.A. is grateful to Ted Jabobson for useful discussions.

Uncontrolled Keywords:Hawking radiation; Dark solitons; Moving-media; Atom laser; Evaporation; Horizons; Analog; Gas; Vortices; Creation
Subjects:Sciences > Physics > Physics-Mathematical models
Sciences > Physics > Mathematical physics
ID Code:29884
Deposited On:30 Apr 2015 08:33
Last Modified:10 Dec 2018 15:10

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