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Title:
Large-scale anisotropy of the microwave background and the amplitude of energy density fluctuations in the early universe
Authors:
Abbott, L. F.; Wise, M. B.
Affiliation:
AA(Brandeis University, Waltham, MA), AB(California Institute of Technology, Pasadena, CA)
Publication:
Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 282, July 15, 1984, p. L47-L50. (ApJL Homepage)
Publication Date:
07/1984
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
Cosmic Rays, Cosmology, Radiant Flux Density, Relic Radiation, Universe, Background Radiation, Dipole Moments, Microwaves, Neutrinos, Probability Theory
DOI:
10.1086/184302
Bibliographic Code:
1984ApJ...282L..47A

Abstract

The spectrum of energy density fluctuations predicted by the inflationary cosmology is used to compute multipole moments of the microwave background temperature and the probability distributions for these moments. Comparison with the observed dipole moment gives a 90% confidence level upper bound of 3.4×10-6 on the amplitude of these fluctuations when they cross the horizon.

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