Scattering of electromagnetic waves by static wormholes

Details Scattering of electromagnetic waves by static wormholes Scattering of electromagnetic waves by static wormholes

Nov 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005gregr..37.1857e&link_type=abstract

General Relativity and Gravitation, Volume 37, Issue 11, pp.1857-1867

Physics

Wormholes, Electromagnetic Waves, Perturbation Theory Of Scattering, Polarization

Scientific paper

Scattering of electromagnetic waves by static and traversable wormholes is discussed. Based on the fact that these spacetimes have no horizon, and regarding their non-trivial topology, we have developed the perturbation theory of scattering and the Born approximation for obtaining the differential scattering cross section. Some of the zeros of the scattering pattern at long wavelengths are determined which can be used for estimating the radius of the throat. The known result that in scattering by static spacetimes the linear polarization remains unchanged is verified here.

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