Statistics – Computation
Scientific paper
Jul 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...412...22h&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 412, no. 1, p. 22-33.
Statistics
Computation
15
Computational Astrophysics, Dark Matter, Inhomogeneity, Luminosity, String Theory, Equations Of Motion, Lyman Alpha Radiation, Relic Radiation
Scientific paper
The inhomogeneity of cold dark matter due to the wake formed by an infinitely long straight cosmic string is investigated. The 1D motion of cold dark matter induced by infinitely long cosmic strings is solved analytically and numerically, and the homogeneous MW background radiation and the thickness of the wake are also estimated. The mass of the fragments within the wake is estimated from the thickness. The possibility of explaining the distribution and the change of number density of objects such as the Lyman-alpha clouds through such a dark matter fragmentation and clustering is discussed. The formation of luminous objects is also studied. The reionization of the universe and the formation of globular clusters, galaxies, and objects in the voids are addressed as well.
Hara Tetsuya
Mahonen Petri
Miyoshi Shigeru
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