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(PDF) Traversable wormholes and the exoticity in HL gravity
2011-12-28  【 】【打印】【关闭
Institute of Theoretical Physics
Chinese Academy of Sciences
学术报告
Title
题目
Traversable wormholes and the exoticity in HL gravity
Speaker
报告人
Prof. Edwin J. Son
Dept. of Phys., Sogang Univ, Rep of Korea
Date
日期
2011-12-28 PM 15:30 Wednesday
Venue
地点
Conference Hall 322, ITP/理论物理所322报告厅
Abstract
摘要

Asymptotically flat wormhole solutions are found in the deformed Horava-Lifshitz gravity. It turns out that higher curvature terms can not play the role of exotic matters which are crucial to form a traversable wormhole, and external exotic sources are still needed. In particular, the exotic matter behaves like phantom energy if Kehagias-Sfetsos vacuum is considered outside the wormhole. Interestingly, the spherically symmetric setting makes the matter and the higher curvature contribution satisfy four-dimensional conservation of energy in the covariant form.

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