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    题名: Gravitational waves in Bianchi type-I universes: The classical theory
    作者: Cho, Hing Tong;Speliotopoulos, A.D.
    贡献者: 淡江大學物理學系
    日期: 1995-11
    上传时间: 2013-07-09 15:13:04 (UTC+8)
    出版者: College Park: American Physical Society
    摘要: The propagation of classical gravitational waves in Bianchi type-I universes is studied. We find that gravitational waves in Bianchi type-I universes are not equivalent to two minimally coupled massless scalar fields as in the Robertson-Walker universe. Because of its tensorial nature, the gravitational wave is much more sensitve to the anisotropy of the spacetime than the scalar field is and it gains an effective mass term. Moreover, we find a coupling between the two polarization states of the gravitational wave which is also not present in the Robertson-Walker universe.
    關聯: Physical Review D (Particles and Fields) 52(10), pp.5445-5458
    DOI: 10.1103/PhysRevD.52.5445
    显示于类别:[物理學系暨研究所] 期刊論文


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