Birefringence and hidden photons
classification
✦ hep-ph
hep-th
keywords
photonshiddenbirefringencemillichargedassumingbounddarkdensity
read the original abstract
We study a model where photons interact with hidden photons and millicharged particles through a kinetic mixing term. Particularly, we focus in vacuum birefringence effects and we find a bound for the millicharged parameter assuming that hidden photons are a piece of the local dark matter density
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