Vacuum Cerenkov Radiation in Lorentz-Violating Theories Without CPT Violation
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✦ hep-th
keywords
cerenkovlorentz-violatingmustradiationtheoriesvacuumanalyzeassociated
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In theories with broken Lorentz symmetry, Cerenkov radiation may be possible even in vacuum. We analyze the Cerenkov emissions that are associated with the least constrained Lorentz-violating modifications of the photon sector, calculating the threshold energy, the frequency spectrum, and the shape of the Mach cone. In order to obtain sensible results for the total power emitted, we must make use of information contained within the theory which indicates at what scale new physics must enter.
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Cited by 1 Pith paper
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Crystallography, Lorentz violation, and the Standard-Model Extension
Crystal point groups parametrize SME Lorentz-violating coefficients in electromagnetic media, turning birefringent and multiferroic crystals into analogs for high-energy symmetry violations.
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