par Kim, Sung-Soo ;Kim, Taekyung;Kim, Yoonbai
Référence Physical review. D, Particles, fields, gravitation, and cosmology, 80, 12, 124002
Publication Publié, 2009-12
Article révisé par les pairs
Résumé : We consider the electrostatic field of a point charge coupled to Hořava-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 Hořava-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 Hořava-Lifshitz gravity and obtain a series of exact solutions. © 2009 The American Physical Society.

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