Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1992-03-16
Phys.Lett.B284:215-222,1992
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages
Scientific paper
10.1016/0370-2693(92)90423-2
We discuss relationship between inflation and various models of production of density inhomogeneities due to strings, global monopoles, textures and other topological and non-topological defects. Neither of these models leads to a consistent cosmological theory without the help of inflation. However, each of these models can be incorporated into inflationary cosmology. We propose a model of inflationary phase transitions, which, in addition to topological and non-topological defects, may provide adiabatic density perturbations with a sharp maximum between the galaxy scale $l_g$ and the horizon scale $l_H$.
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