Massless Fermions in anisotropic Bianchi type I spacetimes
Abstract
The behavior of spin - 1/2 - particles in anisotropic Bianchi type I backgrounds is investigated utilizing the concept of differential forms and orthonormal frames. Specializing to the massless case and power law scale factors αj(t) = tqj of the metric where q1 = q2 , an analytical outcome for the time evolution operator in terms of Bessel functions is presented.
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