New method of extracting non-Gaussian signals in the CMB

Details New method of extracting non-Gaussian signals in the CMB New method of extracting non-Gaussian signals in the CMB

Oct 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..586..211w&link_type=abstract

RELATIVISTIC ASTROPHYSICS: 20th Texas Symposium. AIP Conference Proceedings, Volume 586, pp. 211-213 (2001).

Astronomy and Astrophysics

Astrophysics

2

Particle-Theory And Field-Theory Models Of The Early Universe, Background Radiations

Scientific paper

Searching for and charactering the non-Gaussianity (NG) of a given field has been a vital task in many fields of science, because we expect the consequences of different physical processes to carry different statistical properties. Here we propose a new general method of extracting non-Gaussian features in a given field, and then use simulated cosmic microwave background (CMB) as an example to demonstrate its power. In particular, we show its capability of detecting cosmic strings. .

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