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

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

2005-03-07

arxiv.org/abs/astro-ph/0503142v3

Europhys.Lett.71:925-931,2005

Astronomy and Astrophysics

Astrophysics

Typographical error in eq (34) of EPL version is corrected in arxiv version. Europhysics Letters (accepted for publication)

Scientific paper

10.1209/epl/i2005-10164-5

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 blackhole.

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