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Ultracold atoms

A black-hole laser

Astrophysical observations of Hawking radiation may be out of reach, but evidence for the self-amplification of Hawking radiation has now been observed in a sonic analogue of a black hole.

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Figure 1: Sketch of a black-hole laser.

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Correspondence to Giovanni Modugno.

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Modugno, G. A black-hole laser. Nature Phys 10, 793–794 (2014). https://doi.org/10.1038/nphys3141

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