Surplus Solid Angle as an Imprint of Horava-Lifshitz Gravity

Details Surplus Solid Angle as an Imprint of Horava-Lifshitz Gravity Surplus Solid Angle as an Imprint of Horava-Lifshitz Gravity

2009-07-17

arxiv.org/abs/0907.3093v2

Physics

High Energy Physics

High Energy Physics - Theory

23 pages, 1 figure; minor changes, published version

Scientific paper

We consider the electrostatic field of a point charge coupled to Horava-Lifshitz gravity and find an exact solution describing the space with a surplus (or deficit) solid angle. Although, theoretically in general relativity, a surplus angle is hardly to be obtained in the presence of ordinary matter with positive energy distribution, it seems natural in Horava-Lifshitz gravity. We present the sudden disappearance and reappearance of a star image as an astrophysical effect of a surplus angle. We also consider matter configurations of all possible power law behaviors coupled to Horava-Lifshitz gravity and obtain a series of exact solutions.

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