Large-scale microwave anisotropy from gravitating seeds

Details Large-scale microwave anisotropy from gravitating seeds Large-scale microwave anisotropy from gravitating seeds

Aug 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...395l..55v&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 395, no. 2, Aug. 20, 1992, p. L55-L58. Research supported by NSF

Mathematics

Logic

14

Gravitational Fields, Microwaves, Relic Radiation, Universe, Anisotropy, Red Shift, Temperature Distribution

Scientific paper

Topological defects could have seeded primordial inhomogeneities in cosmological matter. We examine the horizon-scale matter and geometry perturbations generated by such seeds in an expanding homogeneous and isotropic universe. Evolving particle horizons generally lead to perturbations around motionless seeds, even when there are compensating initial underdensities in the matter. We describe the pattern of the resulting large angular scale microwave anisotropy.

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