Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-11-06
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, 1 figure, invited talk presented at the Coral Gables Meeting, December 2002
Scientific paper
10.1063/1.1594395
In the context of N=4 supergravity in four dimensions, we present an exact
classical solution that leads to spacetime-dependent electromagnetic couplings
and discuss the ensuing Lorentz-violating effects. We comment briefly on
experimental bounds.
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