Origin of the thermal radiation in a solid-state analogue of a black hole

B. Reznik
Phys. Rev. D 62, 044044 – Published 27 July 2000
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Abstract

An effective black-hole-like horizon occurs for electromagnetic waves in matter at a surface of singular electric and magnetic permeabilities. In a physical dispersive medium the horizon disappears for wave numbers with k>kc, and the effective geometry becomes flat. Nevertheless, it is shown that Hawking radiation is still emitted if free field modes with k>kc are in their ground state.

  • Received 31 January 2000

DOI:https://doi.org/10.1103/PhysRevD.62.044044

©2000 American Physical Society

Authors & Affiliations

B. Reznik*

  • School of Physics and Astronomy, Tel-Aviv University, Tel Aviv 69978, Israel

  • *Email address: reznik@post.tau.ac.il

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Issue

Vol. 62, Iss. 4 — 15 August 2000

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