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Non-Gaussian spectra in cosmic microwave background temperature anisotropies

Abstract:

Gaussian cosmic microwave background skies are fully specified by the power spectrum. The conventional method of characterizing non-Gaussian skies is to evaluate higher order moments, the n -point functions, and their Fourier transforms. We argue that this method is inefficient, due to the redundancy of information existing in the complete set of moments. In this paper we propose a set of new statistics or non-Gaussian spectra to be extracted out of the angular distribution of the Fourier tr...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevD.55.3358

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Sub department:
Astrophysics
Oxford college:
Oriel College
Role:
Author
Publisher:
American Physical Society Publisher's website
Journal:
Physical Review D Journal website
Volume:
55
Issue:
5-6
Article number:
3358
Publication date:
1997-03-15
DOI:
Source identifiers:
208127
Keywords:
UUID:
uuid:39f4ac89-78e2-4796-9e8e-4765d7f1fe17
Local pid:
pubs:208127
Deposit date:
2012-12-19

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