Generation of isothermal density perturbations in an inflationary universe

Details Generation of isothermal density perturbations in an inflationary universe Generation of isothermal density perturbations in an inflationary universe

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984zhpmr..40..496l&link_type=abstract

(ZhETF Pis'ma v Redaktsiiu, vol. 40, Dec. 10, 1984, p. 496-498) JETP Letters (ISSN 0021-3640), vol. 40, Dec. 10, 1984, p. 1333-1

Other

6

Adiabatic Conditions, Cosmology, Galactic Evolution, Space Density, Anisotropy, Hubble Constant, Wavelengths

Scientific paper

It is shown that, in addition to adiabatic perturbations, isothermal density perturbations of considerable amplitude can be generated in an inflationary universe. Estimates of the amplitude of the perturbations indicate that they may be sufficient for the formation of galaxies. The spectrum of the perturbations is described in a series of analytical equations. The applicability of isothermal density perturbations to current inflationary universe scenarios is discussed.

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