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Phys Rev Lett. 2010 Nov 12;105(20):203901. doi: 10.1103/PhysRevLett.105.203901. Epub 2010 Nov 08.

Hawking radiation from ultrashort laser pulse filaments.

Physical review letters

F Belgiorno, S L Cacciatori, M Clerici, V Gorini, G Ortenzi, L Rizzi, E Rubino, V G Sala, D Faccio

Affiliations

  1. Dipartimento di Fisica, Università degli Studi di Milano, Via Celoria 16, IT-20133 Milano, Italy.

PMID: 21231233 DOI: 10.1103/PhysRevLett.105.203901

Abstract

Event horizons of astrophysical black holes and gravitational analogues have been predicted to excite the quantum vacuum and give rise to the emission of quanta, known as Hawking radiation. We experimentally create such a gravitational analogue using ultrashort laser pulse filaments and our measurements demonstrate a spontaneous emission of photons that confirms theoretical predictions.

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