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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/27819

    Title: Gravitational waves in Bianchi type-I universes: The classical theory
    Authors: Cho, Hing Tong;Speliotopoulos, A.D.
    Contributors: 淡江大學物理學系
    Date: 1995-11
    Issue Date: 2013-07-09 15:13:04 (UTC+8)
    Publisher: College Park: American Physical Society
    Abstract: 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.
    Relation: Physical Review D (Particles and Fields) 52(10), pp.5445-5458
    DOI: 10.1103/PhysRevD.52.5445
    Appears in Collections:[物理學系暨研究所] 期刊論文

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