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- W2904009593 abstract "Taking advantage of the known exact mapping of the one-dimensional hard core Bose (HCB) fluid onto a non-interacting spinless fermion gas, we examine in full detail a thought experiment on cold atoms confined in a quasi-one-dimensional trap, in order to investigate the emergence of the analogue Hawking radiation. The dynamics of a gas of interacting bosons impinging on an external potential is exactly tracked up to the reach of a stationary state. Under few strict conditions on the experimental parameters, the stationary state is shown to be described asymptotically by a thermal distribution, precisely at the expected (analogue) Hawking temperature. However, we find that in most experimental conditions the emerging ``Hawking-like radiation'' is not thermal. This analysis provides a novel many-body microscopic interpretation of the Hawking mechanism, together with useful limits and conditions for the design of future experiments in Bose-Einstein condensates." @default.
- W2904009593 created "2018-12-22" @default.
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- W2904009593 date "2019-02-22" @default.
- W2904009593 modified "2023-09-25" @default.
- W2904009593 title "Quantum quenches, sonic horizons, and the Hawking radiation in a class of exactly solvable models" @default.
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- W2904009593 doi "https://doi.org/10.1103/physrevd.99.045014" @default.
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