Electromagnetic waves with negative phase velocity in Schwarzschild-de Sitter spacetime

T. G. Mackay; A. Lakhtakia; S. Setiawan

doi:10.1209/epl/i2005-10164-5

Electromagnetic waves with negative phase velocity in Schwarzschild-de Sitter spacetime

T. G. Mackay, A. Lakhtakia, S. Setiawan

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22 Scopus citations

Abstract

The propagation of electromagnetic plane waves with negative phase velocity (NPV) is considered in Schwarzschild-(anti-)de Sitter spacetime. It is demonstrated that NPV propagation occurs in Schwarzschild-de Sitter spacetime at lower values of the cosmological constant than is the case for de Sitter spacetime. Furthermore, we report that neither is NPV propagation observed in Schwarzschild-anti-de Sitter spacetime, nor is it possible outside the event horizon of a Schwarzschild black hole.

Original language	English (US)
Pages (from-to)	925-931
Number of pages	7
Journal	Europhysics Letters
Volume	71
Issue number	6
DOIs	https://doi.org/10.1209/epl/i2005-10164-5
State	Published - Sep 15 2005

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1209/epl/i2005-10164-5

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abstract = "The propagation of electromagnetic plane waves with negative phase velocity (NPV) is considered in Schwarzschild-(anti-)de Sitter spacetime. It is demonstrated that NPV propagation occurs in Schwarzschild-de Sitter spacetime at lower values of the cosmological constant than is the case for de Sitter spacetime. Furthermore, we report that neither is NPV propagation observed in Schwarzschild-anti-de Sitter spacetime, nor is it possible outside the event horizon of a Schwarzschild black hole.",

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AB - The propagation of electromagnetic plane waves with negative phase velocity (NPV) is considered in Schwarzschild-(anti-)de Sitter spacetime. It is demonstrated that NPV propagation occurs in Schwarzschild-de Sitter spacetime at lower values of the cosmological constant than is the case for de Sitter spacetime. Furthermore, we report that neither is NPV propagation observed in Schwarzschild-anti-de Sitter spacetime, nor is it possible outside the event horizon of a Schwarzschild black hole.

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Electromagnetic waves with negative phase velocity in Schwarzschild-de Sitter spacetime

Abstract

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