Cosmic string with a light massive neutrino

Details Cosmic string with a light massive neutrino Cosmic string with a light massive neutrino

Nov 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phrvl..69.2615a&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 69, no. 18, p. 2615-2618.

Astronomy and Astrophysics

Astrophysics

75

Cosmology, Dark Matter, Neutrinos, Nuclear Astrophysics, String Theory, Astronomical Models, Galactic Evolution

Scientific paper

We have estimated the power spectra of density fluctuations produced by cosmic strings with neutrino hot dark matter (HDM). Normalizing at 8/h Mpc, we find that the spectrum has more power on small scales than HDM + inflation, less than cold dark matter (CDM) + inflation, and significantly less the CDM + strings. With HDM, large wakes give significant contribution to the power on the galaxy scale and may give rise to large sheets of galaxies.

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