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.

References in corpus (11)

• Fiber-optical analogue of the event horizon
• Measurement of stimulated Hawking emission in an analogue system
• Observation of self-amplifying Hawking radiation in an analog black hole laser
• Hawking radiation from ultrashort laser pulse filaments
• Numerical observation of Hawking radiation from acoustic black holes in atomic Bose-Einstein condensates
• An acoustic analog to the dynamical Casimir effect in a Bose-Einstein condensate
• Non-local density correlations as signal of Hawking radiation in BEC acoustic black holes
• Violation of the Cauchy-Schwarz inequality with matter waves
• Quantum entanglement in analogue Hawking radiation, when is the final state non-separable ?
• Resonant Hawking radiation in Bose-Einstein condensates
• Two-body momentum correlations in a weakly interacting one-dimensional Bose gas

Cited by in corpus (14)

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• Assessing degrees of entanglement of phonon states in atomic Bose gases through the measurement of commuting observables
• Detecting entanglement structure in continuous many-body quantum systems
• Impact of trans-Planckian excitations on black-hole radiation in dipolar condensates
• Stimulating the Quantum Aspects of an Optical Analog White-Black Hole
• Toward the Observation of Entangled Pairs in BEC analogue Expanding Universes
• Violation of Bell inequalities in an analogue black hole
• Spontaneous quantum superradiant emission in atomic Bose-Einstein condensates subject to a synthetic vector potential
• Analogue quantum simulation of the Hawking effect in a polariton superfluid
• Density correlations from analogue Hawking radiation in the presence of atom losses
• Simulating superluminal propagation of Dirac particles using trapped ions
• Stimulated Hawking effect and quasinormal mode resonance in a polariton simulator of field theory on curved spacetime
• Bipartite and tripartite entanglement in a Bose-Einstein acoustic black hole
• Some considerations on BEC analogue black holes