Cosmic strings and the two-point galaxy-galaxy correlation function

Details Cosmic strings and the two-point galaxy-galaxy correlation function Cosmic strings and the two-point galaxy-galaxy correlation function

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988cha%26a..12..159j&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 12, Issue 2, p. 159-163.

Astronomy and Astrophysics

Astrophysics

Cosmology, Galaxy Clustering, Two-Point Correlation Function, Cosmic Strings

Scientific paper

The authors calculated the two-point galaxy-galaxy correlation function ξ within the cosmic string model and compared with the observed result of Davis and Peebles and found that the model can satisfactorily explain the observed ξ-curve. One interesting result is that, using the cosmic string scenario, one can naturally obtain a feature that other cosmological models have difficulty in accounting for, namely, the "bend" of the 1+ξ curve at rc ≈ 3 h-1Mpc, when the exponent in the power law changes from -2 to -0.85.

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