Large-Scale Anisotropy of the Cosmic Background Radiation Due to Primordial Density and Gravitational-Wave Perturbations
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概要
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The possibility that part of the recently discovered large-scale anisotropy of the cosmic background radiation is aroused from primordial density and gravitational-wave-perturbations through the Sachs-Wolfe effect, is investigated in both closed and open models in connection with the severe constraint for the small-scale anisotropy. It is concluded that, in order to explain the dipole anisotropy of the order of 10^<-3> by density perturbations, closed models and density fluctuation spectrums not steeper than "white noise" one are required, and that gravitational-wave perturbations cannot contribute to the possible quardrupole anisotropy of the order of 10^<-14>.
- 理論物理学刊行会の論文
- 1983-03-25
著者
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TOMITA Kenji
Research Institute for Theoretical Physics Hiroshima University
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Tanabe Kenji
Research Institute For Theoretical Physics Hiroshima University
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