Phys. Rev. D 75, 105003 (2007) [9 pages]Cerenkov radiation in a Lorentz-violating and birefringent vacuumReceived 8 February 2007; revised 3 April 2007; published 4 May 2007 We calculate the emission spectrum for vacuum Cerenkov radiation in Lorentz-violating extensions of electrodynamics. We develop an approach that works equally well in the presence or the absence of birefringence. In addition to confirming earlier work, we present the first calculation relevant to Cerenkov radiation in the presence of a birefringent photon kF term, calculating the lower-energy part of the spectrum for that case. © 2007 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.75.105003
DOI:
10.1103/PhysRevD.75.105003
PACS:
11.30.Cp, 11.30.Er, 41.20.Jb, 41.60.Bq
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