Fluctuations in the new inflationary universe

Details Fluctuations in the new inflationary universe Fluctuations in the new inflationary universe

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982phrvl..49.1110g&link_type=abstract

Physical Review Letters, vol. 49, Oct. 11, 1982, p. 1110-1113.

Physics

1231

Cosmology, Density Wave Model, Field Theory (Physics), Quantum Theory, Radiant Flux Density, Universe, Hubble Constant, Scalars, Space-Time Functions

Scientific paper

The consequences of the quantum fluctuations of the scalar Higgs field, phi, that occur during the era of exponential expansion are examined. The evolution of these fluctuations is followed through the time at which galactic scales come within Hubble radius (at approximately 10 to the 8th sec), and the energy density fluctuations delta-rho/rho at that time are estimated. It is noted that according to Harrison (1970) and Zeldovich (1972), this number should be about 0.0001 and should be roughly independent of scale. It is found that the new inflationary universe leads to a delta-rho/rho which is roughly independent of scale, but with a magnitude of approximately 50. It is therefore thought that a further modification of this scenario is necessary in order to make it workable.

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