Some gravitational phenomena are difficult or even impossible to observe in real spacetime. Laboratory analogues of black-hole horizons offer new perspectives on field theory effects that might help our understanding of gravitation.
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I thank R. Carballo-Rubio, L. Garay and G. Jannes for comments and suggestions. Financial support was provided by the Spanish MINECO through projects FIS2014-54800-C2-1 and FIS2017-86497-C2-1 (with FEDER contribution), and by the Junta de Andalucía through the project FQM219.
The author declares no competing interests.
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Barceló, C. Analogue black-hole horizons. Nat. Phys. 15, 210–213 (2019). https://doi.org/10.1038/s41567-018-0367-6
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