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On the vacuum Cherenkov radiation in noncommutative electrodynamics and the elusive effects of Lorentz violation

P Castorina, A Iorio, D Zappalà
2005 Europhysics letters  

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2004 pre-print arXiv:hep-ph/0411197v1 fatcat:yrscnt6akbel3mgmp3s4f2ecze

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2005 accepted
arXiv:hep-ph/0411197v2 fatcat:vycac6e3r5a3dm2pk5gc4dmx7u
We show that in the framework of noncommutative classical electrodynamics Cherenkov radiation is permitted in vacuum and we explicitly compute its spectrum at first order in the noncommutative parameter. We discuss the phenomenological impact of the merge of this new analysis with the old results of the substantial modification to the spectrum of the synchrotron radiation obtained in P.Castorina, A.Iorio and D.Zappala, Phys. Rev. D 69 (2004)065008. We propose to consider the pulsars' radiation
more » ... pectrum - due to its very strong magnetic field - to investigate these Lorentz violating effects in astrophysical phenomena.
doi:10.1209/epl/i2005-10178-y fatcat:4ta3cl3rqrfczpyjjsq3xhbphq
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P Castorina, A Iorio, D Zappalà. "On the vacuum Cherenkov radiation in noncommutative electrodynamics and the elusive effects of Lorentz violation." Europhysics letters 71.6 (2005) 912-917