Damping of primordial gravitational waves from generalized sources
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Dent, James B
Krauss, Lawrence
Sabharwal, Subir
Vachaspati, Tanmay
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American Physical Society
Abstract
It has been shown that a cosmological background with an anisotropic stress tensor, appropriate for a free-streaming thermal neutrino background, can damp primordial gravitational waves after they enter the horizon, and can thus affect the cosmic microwav
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Physical Review D-Particles, Fields, Gravitation and Cosmology
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Open Access
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