Particle Production in the Interiors of Acoustic Black Holes

Abstract

Phonon creation inside the horizons of acoustic black holes is investigated using two simple toy models. It is shown that, unlike what occurs in the exterior regions, the spectrum is not thermal. This non-thermality is due to the anomalous scattering that occurs in the interior regions.

28 pages, 17 figures

References in corpus (3)

• Numerical observation of Hawking radiation from acoustic black holes in atomic Bose-Einstein condensates
• Non-local density correlations as signal of Hawking radiation in BEC acoustic black holes
• Hawking radiation of massive modes and undulations

Cited by in corpus (6)

• Acoustic black hole in Schwarzschild spacetime: quasi-normal modes, analogous Hawking radiation and shadows
• Hawking radiation inside a charged black hole
• Analogous Hawking radiation and quantum entanglement in two-component Bose-Einstein condensates: the gapped excitations
• Analogous Hawking radiation from gapped excitations in a transonic flow of binary Bose-Einstein condensates
• Correlations between a Hawking particle and its partner in a 1+1D Bose-Einstein condensate analog black hole
• Shadow and near-horizon characteristics of the acoustic charged black hole in curved spacetime