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arXiv 1801.08334gr-qcastro-ph.COastro-ph.GA
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非对称虫洞引起的星系晕中的线性势

Linear potentials in galaxy halos by Asymmetric Wormholes

Sebastian Bahamonde, David Benisty, Eduardo I. Guendelman

摘要:

研究了扩散双测度理论的球对称时空解。一个不对称的虫洞几何获得的度量系数有一个线性项的银河系的距离和曼海姆和合作者的分析,然后可以用来描述银河系的旋转曲线。对于宇宙学距离,实现了de-Sitter时空。介绍了最适合于虫洞集体运动的虫洞重心坐标。虫洞连接具有不同真空能量密度的宇宙,这可能代表“景观场景”中的不同宇宙。度量系数依赖于非对称虫洞参数。线性势的系数正比于虫洞的质量和观测宇宙的宇宙学常数。类似的结果在其他理论中也是可以预期的,比如可能支持虫洞的$k$ -本质理论。

英文摘要:

A spherically symmetric space-time solution for a diffusive two measures theory is studied. An asymmetric wormhole geometry is obtained where the metric coefficients have a linear term for galactic distances and the analysis of Mannheim and collaborators, can then be used to describe the galactic rotation curves. For cosmological distances, a de-Sitter space-time is realized. Centre of gravity coordinates for the wormhole is introduced which are the most suitable for the collective motion of a wormhole. The wormholes connect universes with different vacuum energy densities which may represent different universes in a "landscape scenario". The metric coefficients depend on the asymmetric wormhole parameters. The coefficient of the linear potential is proportional to both the mass of the wormhole and the cosmological constant of the observed universe. Similar results are also expected in other theories like $k$-essence theories, that may support wormholes.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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