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Classification of singular points in the polarization field of the cosmic microwave background and eigenvectors of the Stokes matrix

  • Gravity, Astrophysics
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Abstract

An analysis is made of the singularities of the polarization field of the cosmic microwave background, where the polarization is equal to zero. It is found that the classification of the singular points differs from the usual three types known in ordinary differential equations. The new statistical properties of the polarization field are discussed, and new methods to detect the presence of primordial tensor perturbations are indicated.

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Authors and Affiliations

  1. Theoretical Astrophysics Center, DK-2100, Copenhagen, Denmark

    A. D. Dolgov, A. G. Doroshkevich & I. D. Novikov

  2. Institute of Theoretical and Experimental Physics, 117259, Moscow, Russia

    A. D. Dolgov

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

    D. I. Novikov

  4. Astro-Space Center of Lebedev Physical Institute, Russian Academy of Sciences, 117924, Moscow, Russia

    D. I. Novikov & I. D. Novikov

  5. University Observatory; NORDITA, DK-2100, Copenhagen, Denmark

    I. D. Novikov

Authors
  1. A. D. Dolgov
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  2. A. G. Doroshkevich
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  3. D. I. Novikov
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  4. I. D. Novikov
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Additional information

Pis’ma Zh. Éksp. Teor. Fiz. 69, No. 6, 395–401 (25 March 1999)

Published in English in the original Russian journal. Edited by Steve Torstveit.

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Dolgov, A.D., Doroshkevich, A.G., Novikov, D.I. et al. Classification of singular points in the polarization field of the cosmic microwave background and eigenvectors of the Stokes matrix. Jetp Lett. 69, 427–433 (1999). https://doi.org/10.1134/1.568046

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  • DOI: https://doi.org/10.1134/1.568046

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