Fourier's Law from Schroedinger Dynamics
arXiv:cond-mat/0510471 · doi:10.1103/PhysRevLett.95.180602
Abstract
We consider a class of one-dimensional chains of weakly coupled many level systems. We present a theory which predicts energy diffusion within these chains for almost all initial states, if some concrete conditions on their Hamiltonians are met. By numerically solving the time dependent Schroedinger equation, we verify this prediction. Close to equilibrium we analyze this behavior in terms of heat conduction and compute the respective coefficient directly from the theory.
4 pages, 4 figures, accepted for publication in Phys. Rev. Lett
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