The gravitational lensing effect of galaxy clusters and the anisotropy of cosmic background radiation.

Details The gravitational lensing effect of galaxy clusters and the anisotropy of cosmic background radiation. The gravitational lensing effect of galaxy clusters and the anisotropy of cosmic background radiation.

Apr 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998acaps..18..128f&link_type=abstract

Acta Astrophys. Sin., Vol. 18, No. 2, p. 128 - 136

Statistics

Gravitational Lenses: Clusters Of Galaxies, Cosmic Microwave Background: Anisotropy

Scientific paper

The randomly distributed moving gravitational deflectors can produce the anisotropy of temperature fluctuations of cosmic background radiation (CBR). The authors investigate the gravitational lensing effect of clusters of galaxies on the uniform radiation background. The statistics of Poisson distribution deflectors are presented and the angular correlation function of CBR temperature fluctuations is derived. The authors estimate the anisotropy of the CBR temperature fluctuations via the moving deflector effect in the cold dark matter and Peebles' isocurvature baryon models.

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