Quantum vacuum emission in a nonlinear optical medium illuminated by a strong laser pulse (Articolo in rivista)

Type
Label
  • Quantum vacuum emission in a nonlinear optical medium illuminated by a strong laser pulse (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevA.87.023803 (literal)
Alternative label
  • Finazzi, Stefano; Carusotto, Iacopo (2013)
    Quantum vacuum emission in a nonlinear optical medium illuminated by a strong laser pulse
    in Physical review. A
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Finazzi, Stefano; Carusotto, Iacopo (literal)
Pagina inizio
  • 023803 (literal)
Pagina fine
  • 023803 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84873460800&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 87 (literal)
Rivista
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  • 20 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 2 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • INO-CNR BEC Center, Dipartimento di Fisica, Università di Trento, via Sommarive 14, 38123 Povo-Trento, Italy (literal)
Titolo
  • Quantum vacuum emission in a nonlinear optical medium illuminated by a strong laser pulse (literal)
Abstract
  • A strong light pulse propagating in a nonlinear Kerr medium produces a change in the refractive index, which makes light travel at different speeds inside and outside the pulse. By tuning the pulse velocity, an analog black hole horizon can be obtained in a suitable frequency window. In this paper, we develop a quantum theory of light propagation for this system, including the frequency dispersion of the refractive index of the medium by coupling the electromagnetic field to matter polarization fields. In a configuration with a single black hole horizon, the spectrum of spontaneously emitted particles presents some similarities with Hawking radiation. Furthermore, even in horizonless systems spontaneous vacuum emission is still possible due to the dispersive nature of the medium, yet with dramatically different spectral properties. DOI: 10.1103/PhysRevA.87.023803 (literal)
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