Geometric optics in the presence of axionlike particles in curved spacetime

We present a concise derivation of geometric optics in the presence of axionic fields in a curved spacetime. Whenever light can be described via geometric optics (the eikonal approximation), the only difference to the situation without axionic field is the phenomenon of achromatic birefringence. Con...

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Veröffentlicht in:	Physical review. D 2021-04, Vol.103 (8), p.1, Article L081306
Hauptverfasser:	Schwarz, Dominik J., Goswami, Jishnu, Basu, Aritra
Format:	Artikel
Sprache:	eng
Schlagworte:	Birefringence Geometrical optics Gravitational lenses Red shift Relativity Spacetime
Online-Zugang:	Volltext
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