An analytic description of the damping of gravitational waves by free
streaming neutrinos [PDF]
Ben A. Stefanek, Wayne W. RepkoWe provide an analytic solution to the general wavelength integro-differential equation describing the damping of tensor modes of gravitational waves due to free streaming neutrinos in the early universe. Our result is expressed as a series of spherical Bessel functions whose coefficients are functions of the reduced wave number $Q$.View original: http://arxiv.org/abs/1207.7285
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