Generation of Cosmological Perturbations by a First-Order Phase Transition

Details Generation of Cosmological Perturbations by a First-Order Phase Transition Generation of Cosmological Perturbations by a First-Order Phase Transition

Nov 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982pthph..68.1561s&link_type=abstract

Progress of Theoretical Physics, Vol. 68, No. 5, pp. 1561-1573

Physics

13

Scientific paper

Origin and growth of the large scale inhomogeneities of the universe are discussed in a cosmological model based on grand unified theories in which the unified symmetry breaks down by a first-order phase transition. It is shown that a fine tuning on the nucleation rate of vacuum bubbles is necessary for explanation of the observed large scale inhomogeneity. This fine tuning, however, is shown to be consistent with the suppression of monopoles.

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