Energy and momentum relaxation of heavy fermion in dense and warm plasma

Details Energy and momentum relaxation of heavy fermion in dense and warm plasma Energy and momentum relaxation of heavy fermion in dense and warm plasma

2010-05-10

arxiv.org/abs/1005.1541v3

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 1 eps figure, typos corrected and paragraphs rearranged. Accepted for publication in Physical Review D

Scientific paper

We determine the drag and the momentum diffusion coefficients of heavy fermion in dense plasma. It is seen that in degenerate matter drag coefficient at the leading order mediated by transverse photon is proportional to $(E-\mu)^2$ while for the longitudinal exchange this goes as $(E-\mu)^3$. We also calculate the longitudinal diffusion coefficient to obtain the Einstein relation in a relativistic degenerate plasma. Finally, finite temperature corrections are included both for the drag and the diffusion coefficients.

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