Lorentz Tests with Astrophysical Photons
Fabian Kislat
TL;DR
This paper reviews recent astrophysical polarization measurements that constrain the photon sector of the non-minimal Standard-Model Extension, highlighting how combined optical polarization data from various objects improve these constraints.
Contribution
It synthesizes recent observational results using optical polarization data to set new limits on Lorentz invariance violations in the photon sector.
Findings
Optical polarization data constrain Lorentz-violating parameters.
Combined polarization measurements improve sensitivity to new physics.
Results reinforce the robustness of Lorentz invariance in photon interactions.
Abstract
Astrophysical polarization measurements provide some of the strongest constraints on the photon sector of the non-minimal Standard-Model Extension. This paper reviews some recent results obtained by combining optical linear and circular polarization data from a large number of astrophysical objects.
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Taxonomy
TopicsSolar and Space Plasma Dynamics · Cosmology and Gravitation Theories · Geophysics and Gravity Measurements