Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2009-03-02
Phys.Rev.D79:125016,2009
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
8 pages, the final version, discussion and references added
Scientific paper
10.1103/PhysRevD.79.125016
Recently, a state of the art experiment shows evidence for Lorentz violation in the gravitational sector. To explain this experiment, we investigate a spontaneous Lorentz violation scenario with a generalized scalar field. We find that when the scalar field is nonminimally coupled to gravity, the Lorentz violation induces a deformation in the Newtonian potential along the direction of Lorentz violation.
Li Miao
Pang Yi
Wang Yi
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