Large scale structure by global monopoles and cold dark matter - INSPIRE

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Large scale structure by global monopoles and cold dark matter

L. Perivolaropoulos
(
- Harvard-Smithsonian Ctr. Astrophys. and
- Brown U.
)

Feb, 1992

10 pages

Published in:

Mod.Phys.Lett.A 7 (1992) 903-910

e-Print:

hep-ph/9207255 [hep-ph]

DOI:

10.1142/S0217732392003542

Report number:

CFA-3377

View in:

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Abstract:

A cosmological model in which the primordial perturbations are provided by global monopoles and in which the dark matter is cold has several interesting features. The model is normalized by choosing its single parameter within the bounds obtained from gravitational wave constraints and by demanding coherent velocity f1ows of about 600km/sec on scales of

50 h~{-1} Mpc

. Using this normalization, the model predicts the existence of dominant structures with mass

2\times 10~{16} M_\odot

on a scale

35 h~{-1}Mpc

i.e. larger than the horizon at

t_{eq}

. The magnitude of the predicted mass function in the galactic mass range is in good agreement with the observed Schechter function.

dark matter
postulated particle: magnetic monopole
velocity: perturbation
mass
effect: nonlinear
numerical calculations

References(16)

Figures(0)

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