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Tensor-Induced CMB Temperature-Polarization Correlation in Reionized Universes

Kin-Wang Ng

astro-pharXiv:astro-ph/9905020

Abstract

We reexamine the temperature-polarization correlation function of the cosmic microwave background induced by tensor mode with a scale-invariant spectrum in reionized standard cold dark matter models. It is found that the sign of the correlation function is positive on all angular scales even in a model with substantial reionization.

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