Friction in inflaton equations of motion

Details Friction in inflaton equations of motion Friction in inflaton equations of motion

2002-04-16

arxiv.org/abs/hep-ph/0204184v2

Phys.Rev. D66 (2002) 041702

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures, RevTex4. An obscurity in the original version has been clarified

Scientific paper

10.1103/PhysRevD.66.041702

The possibility of a friction term in the equation of motion for a scalar
field is investigated in non-equilibrium field theory. The results obtained
differ greatly from existing estimates based on linear response theory, and
suggest that dissipation is not well represented by a term of the form
$\eta\dot{\phi}$.

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