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Journal articles

Quantum Signature of Analog Hawking Radiation in Momentum Space

Abstract : We consider a sonic analog of a black hole realized in the one-dimensional flow of a Bose-Einstein condensate. Our theoretical analysis demonstrates that one- and two-body momentum distributions accessible by present-day experimental techniques provide clear direct evidence (i) of the occurrence of a sonic horizon, (ii) of the associated acoustic Hawking radiation, and (iii) of the quantum nature of the Hawking process. The signature of the quantum behavior persists even at temperatures larger than the chemical potential.
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Contributor : Christoph I Westbrook Connect in order to contact the contributor
Submitted on : Thursday, July 9, 2015 - 1:47:54 PM
Last modification on : Thursday, January 6, 2022 - 4:18:07 PM

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Denis Boiron, Fabbri Alessandro, Larré Pierre-Elie, Nicolas Pavloff, Christoph I. Westbrook, et al.. Quantum Signature of Analog Hawking Radiation in Momentum Space. Physical Review Letters, American Physical Society, 2015, 115 (2), pp.025301. ⟨10.1103/PhysRevLett.115.025301⟩. ⟨hal-01174624⟩



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