Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1997-02-12
Physics
Nuclear Physics
Nuclear Theory
26 pages, Latex, 7 Postscript figures; submitted to PRE; e-mail: hhofmann@physik.tu-muenchen.de www home page: http://www.ph
Scientific paper
We address the dynamics of damped collective modes in terms of first and second moments. The modes are introduced in a self-consistent fashion with the help of a suitable application of linear response theory. Quantum effects in the fluctuations are governed by diffusion coefficients D_{\mu\nu}. The latter are obtained through a fluctuation dissipation theorem generalized to allow for a treatment of unstable modes. Numerical evaluations of the D_{\mu\nu} are presented. We discuss briefly how this picture may be used to describe global motion within a locally harmonic approximation.
Hofmann Helmut
Kiderlen Dieter
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