An exact solution is presented which describes the scattering of a gravitational wave in an open expanding universe. The background region ahead of the wave is taken to be a Friedmann-Robertson-Walker (k=-1) space-time containing a perfect fluid with an extreme relativistic equation of state p=p. Plane surfaces are determined in this background, so that solutions describing the scattering of a single wave with a wave front given by such a surface and the collision of two such waves can be obtained.
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Bhabha Atom Res Ctr, Theoret Astrophys Sect, Mumbai 400085, Maharashtra, IndiaBhabha Atom Res Ctr, Theoret Astrophys Sect, Mumbai 400085, Maharashtra, India
机构:
Hunan First Normal Univ, Sch Math & Computat Sci, Changsha 410205, Hunan, Peoples R China
Guilin Univ Elect Technol, Sch Math & Comp Sci, Guilin 541004, Peoples R ChinaHunan First Normal Univ, Sch Math & Computat Sci, Changsha 410205, Hunan, Peoples R China
Chen, Aiyong
He, Xiaokai
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Hunan First Normal Univ, Sch Math & Computat Sci, Changsha 410205, Hunan, Peoples R ChinaHunan First Normal Univ, Sch Math & Computat Sci, Changsha 410205, Hunan, Peoples R China
He, Xiaokai
Tian, Caixing
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Guilin Univ Elect Technol, Sch Math & Comp Sci, Guilin 541004, Peoples R ChinaHunan First Normal Univ, Sch Math & Computat Sci, Changsha 410205, Hunan, Peoples R China
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Univ Arizona, Dept Phys, Program Appl Math, Tucson, AZ 85721 USA
Univ Arizona, Dept Astron, Tucson, AZ 85721 USAUniv Arizona, Dept Phys, Program Appl Math, Tucson, AZ 85721 USA