Large-scale structure from wiggly cosmic strings

Details Large-scale structure from wiggly cosmic strings Large-scale structure from wiggly cosmic strings

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991phrvl..67.1057v&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 67, Aug. 26, 1991, p. 1057-1061. Research supported by NSF.

Physics

121

Cosmology, Neutrinos, String Theory, Universe, Baryons, Dark Matter, Digital Simulation, Gravitational Fields, Hubble Constant, Red Shift

Scientific paper

Recent simulations of the evolution of cosmic strings indicate the presence of small-scale structure on the strings. It is shown that wakes produced by such 'wiggly' cosmic strings can result in the efficient formation of large-scale structure and large streaming velocities in the universe without significantly affecting the microwave-background isotropy. It is also argued that the motion of strings will lead to the generation of a primordial magnetic field. The most promising version of this scenario appears to be the one in which the universe is dominated by light neutrinos.

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