Multifractal Analysis of String-induced Cosmic Microwave Background Radiation Anisotropies

Details Multifractal Analysis of String-induced Cosmic Microwave Background Radiation Anisotropies Multifractal Analysis of String-induced Cosmic Microwave Background Radiation Anisotropies

Aug 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apj...449....1p&link_type=abstract

Astrophysical Journal v.449, p.1

Astronomy and Astrophysics

Astronomy

18

Cosmic Strings, Cosmology: Cosmic Microwave Background, Cosmology: Theory

Scientific paper

We study the practical detectability of string-induced CMBR anisotropies by using a statistical analysis approach. The temperature maps produced in 1988 by Bouchet, Bennett, and Stebbins are used to simulate a CMBR anisotropy experiment in the presence of a network of cosmic strings. The multifractal analysis of the temperature scans, associated with a phase randomization test, indicates a well-defined scaling behavior of the string-dominated temperature scans and proves to be a reliable technique for detecting the presence of the non-Gaussian behavior induced by cosmic strings.

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