Gravitating tensor monopole in a Lorentz-violating field theory
arXiv:1204.1401 · doi:10.1103/physRevD.85.085030
Abstract
We present a solution of the coupled Einstein and rank-two antisymmetric tensor field equations where Lorentz symmetry is spontaneously broken, and we discuss its observational signatures. Especially, the deflection angles have important qualitative differences between tensor and scalar monopoles. If a monopole were to be detected, it would be discriminated whether or not to correspond to a tensor one. This phenomenon might open up new direction in the search of Lorentz violation with future astrophysical observations.
arXiv comment5 pages, 4 figures
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