Light domain walls, massive neutrinos and the large scale structure of the Universe

Details Light domain walls, massive neutrinos and the large scale structure of the Universe Light domain walls, massive neutrinos and the large scale structure of the Universe

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991ldwm.rept.....m&link_type=abstract

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Mathematics

Logic

Cosmology, Domain Wall, Galactic Evolution, Galactic Structure, Neutrinos, Phase Transformations, Universe, Astronomical Models, Background Radiation, Dark Matter, Microwaves, Networks, Red Shift

Scientific paper

Domain walls generated through a cosmological phase transition are considered, which interact nongravitationally with light neutrinos. At a redshift z greater than or equal to 10(exp 4), the network grows rapidly and is virtually decoupled from the matter. As the friction with the matter becomes dominant, a comoving network scale close to that of the comoving horizon scale at z of approximately 10(exp 4) gets frozen. During the later phases, the walls produce matter wakes of a thickness d of approximately 10h(exp -1)Mpc, that may become seeds for the formation of the large scale structure observed in the Universe.

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