Scientific Results

Spontaneous quantum emission from analog white holes in a nonlinear optical medium

Year: 2014

Authors: Finazzi S., Carusotto I.

Autors Affiliation: INO-CNR BEC Center and Dipartimento di Fisica, Università di Trento, Via Sommarive 14, 38123 Povo-Trento, Italy

Abstract: We use a microscopic quantum optical model to compute the spectrum of quantum vacuum emission from strong laser pulses propagating in nonlinear optical media. Similarities and differences with respect to the emission of analog white holes as predicted by quantum field theory in curved spacetime are highlighted. Conceptual issues related to the role played by the material dispersion and to the presence or absence of the horizon are clarified. Critical comparison with available experimental data is made.

Journal/Review: PHYSICAL REVIEW A

Volume: 89 (5)      Pages from: 053807  to: 053807

More Information: We are grateful to D. Faccio for continuous exchanges on the experiment and to R. Balbinot, T. Jacobson, U. Leonhardt, S. Liberati, R. Parentani, and all participants in the workshop on Effective Gravity in Fluids and Super-fluids at International Center for Theoretical Physics, Trieste for stimulating discussions. We also thank D. Faccio and R. Parentani for their comments on the manuscript. This work has been supported by European Research Council through the QGBE grant.
DOI: 10.1103/PhysRevA.89.053807

Citations: 21
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