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A comparison of Hořava-Lifshitz gravity and Einstein gravity through thin-shell wormhole construction
comparison of Hoř ava-Lifshitz gravity Einstein gravity thin-shell wormhole construction
2010/12/20
In this paper we have constructed a new class of thin-shell wormholes from black holes in Hoˇrava-Lifshitz gravity. Particular emphasis is placed on those aspects that allow a comparison of Hoˇrava-Li...
Stability of thin-shell wormholes supported by ordinary matter in Einstein-Maxwell-Gauss-Bonnet gravity
thin-shell wormholes Einstein-Maxwell-Gauss-Bonnet gravity
2010/3/18
Recently in (Phys. Rev. D 76, 087502 (2007) and Phys. Rev. D 77, 089903(E) (2008)) a thin-shell wormhole has been introduced in 5-dimensional Einstein-Maxwell-Gauss-Bonnet (EMGB) gravity which was sup...
Vacuum thin shell solutions in five-dimensional Lovelock gravity
five-dimensional Lovelock gravity Vacuum thin shell solutions
2010/3/18
Junction conditions for vacuum solutions in five-dimensional Einstein-Gauss-Bonnet gravity are studied. We focus on those cases where two spherically symmetric regions of space-time are joined in such...
Gravitational-wave signatures of the absence of an event horizon. II. Extreme mass ratio inspirals in the spacetime of a thin-shell gravastar
Gravitational-wave signatures event horizon thin-shell gravastar
2010/3/18
We study gravitational-wave emission from the quasi-circular, extreme mass ratio inspiral of compact objects of mass m0 into massive objects of mass M>>m0 whose external metric is identical to the Sch...
Thin-shell wormholes from charged black holes in generalized dilaton-axion gravity
Thin-shell wormholes black holes
2010/3/17
This paper discusses a new type of thin-shell wormhole constructed by applying the cut-and-paste technique to two copies of a charged black hole in generalized dilaton-axion gravity, which was inspire...