GEOMETRY AND STATISTICS OF COSMIC MICROWAVE POLARIZATION

Author:

DOLGOV A. D.1,DOROSHKEVICH A. G.1,NOVIKOV D. I.2,NOVIKOV I. D.3

Affiliation:

1. Theoretical Astrophysics Center, Juliane Maries Vej 30, DK-2100, Copenhagen, Denmark

2. Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas, 66045, USA

3. University Observatory, Juliane Maries Vej 30, DK-2100, Copenhagen, Denmark

Abstract

Geometrical and statistical properties of polarization of CMB are analyzed. Singular points of the vector field which describes CMB polarization are found and classified. Statistical distribution of the singularities is studied. A possible signature of tensor perturbations in CMB polarization is discussed. For a further analysis of CMB statistics, Minkowski functionals are used, which present a technically simple method to search for deviations from a Gaussian distribution.

Publisher

World Scientific Pub Co Pte Lt

Subject

Space and Planetary Science,Astronomy and Astrophysics,Mathematical Physics

Cited by 16 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Phase Singularities to Polarization Singularities;International Journal of Optics;2020-07-14

2. On Minkowski Functionals of CMB polarization;Physics Letters B;2017-08

3. Applications of the Gaussian kinematic formula to CMB data analysis;Physical Review D;2015-03-09

4. Topological defects in gravitational lensing shear fields;Journal of Cosmology and Astroparticle Physics;2009-09-28

5. Chapter 5 Singular Optics: Optical Vortices and Polarization Singularities;Progress in Optics;2009

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