SIM(2)-invariant modifications of electrodynamic theory

In the Cohen–Glashow Very Special Relativity we exhibit possible modifications to the Maxwell theory and to the quantum electrodynamics Lagrangian in some generality, and discuss characteristic features depending on the modifications. Modified gauge transformations in SIM(2)-invariant theories are i...

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Bibliographic Details
Published in:Physics letters. B 2009-08, Vol.679 (1), p.73-76
Main Authors: Cheon, Sangmo, Lee, Choonkyu, Lee, Seung Jae
Format: Article
Language:English
Subjects:
Exact sciences and technology
Nuclear physics
Physics
SIM invariant electrodynamics
The physics of elementary particles and fields
Very Special Relativity
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Summary:In the Cohen–Glashow Very Special Relativity we exhibit possible modifications to the Maxwell theory and to the quantum electrodynamics Lagrangian in some generality, and discuss characteristic features depending on the modifications. Modified gauge transformations in SIM(2)-invariant theories are introduced and the related gauge fields, with two polarization states, can have nonzero mass. Also considered are SIM(2)-covariant modifications to the Proca-type field equations for a massive spin-1 particle.
ISSN:0370-2693
1873-2445
DOI:10.1016/j.physletb.2009.07.007