Polarization-temperature correlation from a primordial magnetic field

Evan S. Scannapieco; Pedro G. Ferreira

doi:10.1103/PhysRevD.56.R7493

Polarization-temperature correlation from a primordial magnetic field

Evan S. Scannapieco, Pedro G. Ferreira

Research output: Contribution to journal › Article › peer-review

53 Scopus citations

Abstract

We propose a new method for constraining a primordial homogeneous magnetic field with the cosmic microwave background. Such a field will induce an observable parity odd cross correlation between the polarization anisotropy and the temperature anisotropy by Faraday rotation. We analyze the necessary experimental features to match, and improve, current constraints of such a field by measuring this correlation.

Original language	English (US)
Pages (from-to)	R7493-R7497
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	56
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevD.56.R7493
State	Published - 1997
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.56.R7493

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AB - We propose a new method for constraining a primordial homogeneous magnetic field with the cosmic microwave background. Such a field will induce an observable parity odd cross correlation between the polarization anisotropy and the temperature anisotropy by Faraday rotation. We analyze the necessary experimental features to match, and improve, current constraints of such a field by measuring this correlation.

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JO - Physical Review D - Particles, Fields, Gravitation and Cosmology

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Polarization-temperature correlation from a primordial magnetic field

Abstract

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