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Prog. Theor. Phys. Vol. 67 No. 4 (1982) pp. 1093-1106

Galaxy Formation in the Neutrino Dominated Universe

Kenji Tomita

Research Institute for Theoretical Physics, Hiroshima University, Takehara, Hiroshima 725

(Received November 11, 1981)

Abstract:

First the adiabatic radiative perturbations associated with the neutrino perturbations of cluster size are compared with the upper limit of anisotropy of the cosmic background radiation, and it is found that the scenario is worth noticing, in which galaxies first form from primordial entropy perturbations and later clusters of galaxies form by the clustering process. Next the nonlinear growth of entropy perturbations of galaxy size is numerically analyzed, and the amplitudes of the initial perturbations necessary for the formation of galaxies at the epochs z\gtrsim3 are derived. The growth in the Lemaitre universe also is examined. It is concluded that this scenario is possible.

URL : http://ptp.ipap.jp/link?PTP/67/1093/
DOI : 10.1143/PTP.67.1093

[ Full Text PDF : FREE ACCESS (526K) ] Citation: Plain Text BiBTeX EndNote(RIS) RSS

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Citing Article(s) :

1. Progress of Theoretical Physics Vol. 70 No. 2 (1983) pp. 603-605 :

   Formation of Massive Galactic Halos with Neutrinos

   Takao Fujiwara

2. Progress of Theoretical Physics Vol. 70 No. 6 (1983) pp. 1556-1568 :

   Super-Weakly Interacting Particles and the Formation of Galaxies and Clusters of Galaxies

   Tetsuya Hara

3. Progress of Theoretical Physics Vol. 78 No. 1 (1987) pp. 105-113 :

   Decaying-Particle Universe Models with Nonzero Cosmological Constant and the Galactic Number Count Observation

   Kenji Tomita and Naoshi Sugiyama

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