The rotation of polarization by gravitational waves - AstrophysicsReport as inadecuate




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Abstract: There are conflicting statements in the literature about the gravitationalFaraday rotation of the plane of polarization of polarized electromagneticradiation travelling through a gravitational wave. This issue is reconsideredusing a simple formalism describing the rotation of the plane of polarizationin a gravitational field, in the geometric optics approximation. It is shownthat, to first order in the gravitational wave amplitude, the rotation angle isa boundary effect which vanishes for localized astrophysically generatedgravitational waves and is non-zero, but nevertheless negligible, forcosmological gravitational waves.



Author: Valerio Faraoni Bishop's University

Source: https://arxiv.org/







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