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Quantum Dissipation

Aurel Bulgac·Giu Do Dang·Dimitri Kusnezov
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Abstract

We address the question of the microscopic origin of dissipation in collective motion of a quantum many--body system in the framework of a parametric random matrix approach to the intrinsic dynamics. We show that the fluctuation--dissipation theorem is generally violated and, moreover, energy diffusion has a markedly non--Gaussian character and the corresponding distribution has very long tails. Such features do not support a Langevin or Fokker--Planck approach to dissipation in collective nuclear motion.

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Aurel Bulgac, Giu Do Dang, Dimitri Kusnezov. 1995-07-21. Quantum Dissipation. https://arxiv.org/abs/nucl-th/9507034

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