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Fragmentation of the Primordial Gas Clouds

Published online by Cambridge University Press:  25 May 2016

H. Uehara ,
H. Susa ,
R. Nishi ,
M. Yamada  and
T. Nakamura
H. Uehara
Affiliation:
1Dep. of Physics, Kyoto Univ. Kitashirakawa, Kyoto City 606-01 Japan
H. Susa
Affiliation:
2Dep. of Physics, Kyoto Univ. Kitashirakawa, Kyoto City 606-01 Japan
R. Nishi
Affiliation:
3Dep. of Physics, Kyoto Univ. Kitashirakawa, Kyoto City 606-01 Japan
M. Yamada
Affiliation:
4Dep. of Physics, Kyoto Univ. Kitashirakawa, Kyoto City 606-01 Japan
T. Nakamura
Affiliation:
5Yukawa Institute for Theoretical Physics Kitashirakawa, Kyoto City 606-01 Japan

Extract

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We discuss the fragmentation of primordial gas clouds in the universe after decoupling. Comparing the timescale of collapse (tdyn) with that of fragmentation (tfrag), we obtained the minimum mass of a fragment analytically as following way.

Type
III. Galaxy Formation and Evolution
Information
Symposium - International Astronomical Union , Volume 183: Cosmological Parameters and the Evolution of the Universe , 1999 , pp. 166
Copyright
Copyright © Kluwer 1999 

References

Uehara, H., Susa, H., Nishi, R., Yamada, M. and Nakamura, T. (1996) Fragmentation of the Primordial Gas Clouds and the Lower Limit on the Mass of the First Stars, Astrophysical Journal, Vol. 473, pp.L95–L98 Google Scholar