Cosmological Constraints on Lorentz Violation in Electrodynamics
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- 29 November 2001
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 87 (25), 251304
- https://doi.org/10.1103/physrevlett.87.251304
Abstract
Infrared, optical, and ultraviolet spectropolarimetry of cosmological sources is used to constrain the pure electromagnetic sector of a general Lorentz-violating standard-model extension. The coefficients for Lorentz violation are bounded to less than .
Keywords
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