Hawking Radiation from an Acoustic Black Hole on an Ion Ring
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This Letter proposes to simulate acoustic black holes with ions in rings with a stationary and inhomogeneous velocity profile and studies the appearance of Hawking radiation in this setup and proposes a scheme to detect it.Abstract:
In this Letter we propose to simulate acoustic black holes with ions in rings. If the ions are rotating with a stationary and inhomogeneous velocity profile, regions can appear where the ion velocity exceeds the group velocity of the phonons. In these regions phonons are trapped like light in black holes, even though we have a discrete field theory and a nonlinear dispersion relation. We study the appearance of Hawking radiation in this setup and propose a scheme to detect it.read more
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Measurement of stimulated Hawking emission in an analogue system.
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References
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Black hole explosions
TL;DR: In this article, it was shown that any black hole will create and emit particles such as neutrinos or photons at just the rate that one would expect if the black hole was a body with a temperature of (κ/2π) (ħ/2k) ≈ 10−6 (M/M)K where κ is the surface gravity of the body.
Journal ArticleDOI
Computable measure of entanglement
Guifre Vidal,Reinhard F. Werner +1 more
TL;DR: A measure of entanglement that can be computed effectively for any mixed state of an arbitrary bipartite system is presented and it is shown that it does not increase under local manipulations of the system.
Black Hole Explosions
TL;DR: In this article, it was shown that any black hole will create and emit particles such as neutrinos or photons at just the rate that one would expect if the black hole was a body with a temperature of (κ/2π) (ħ/2k) ≈ 10−6 (M/M)K where κ is the surface gravity of the body.
Journal ArticleDOI
Experimental black hole evaporation
TL;DR: In this paper, it was shown that the same arguments which lead to black hole evaporation also predict that a thermal spectrum of sound waves should be given out from the sonic horizon in transsonic fluid flow.
Journal ArticleDOI
Analogue Gravity
TL;DR: Analogous gravity is a research programme which investigates analogues of general relativistic gravitational fields within other physical systems, typically but not exclusively condensed matter systems, with the aim of gaining new insights into their corresponding problems.