Dissipative transport across a parabolic barrier

Helmut Hofmann, Gert-Ludwig Ingold
1991 Physics Letters B  
We suggest quantal diffusion coefficients for Kramers' transport equation and discuss the dynamics of fluctuations in the neighborhood of a barrier, considered generic for an instability of a system's response to an external perturbation.
doi:10.1016/0370-2693(91)90344-p fatcat:6fb6pnao5rbnfhz4whlor4toja