Application of the Hilbert space average method on heat conduction models

Autor(en): Michel, M
Gemmer, J 
Mahler, G
Stichwörter: LAW; Physics; Physics, Fluids & Plasmas; Physics, Mathematical; TRANSPORT
Erscheinungsdatum: 2006
Herausgeber: AMER PHYSICAL SOC
Journal: PHYSICAL REVIEW E
Volumen: 73
Ausgabe: 1, 2
Zusammenfassung: 
We analyze closed one-dimensional chains of weakly coupled many level systems, by means of the so-called Hilbert space average method (HAM). Subject to some concrete conditions on the Hamiltonian of the system, our theory predicts energy diffusion with respect to a coarse-grained description for almost all initial states. Close to the respective equilibrium, we investigate this behavior in terms of heat transport and derive the heat conduction coefficient. Thus, we are able to show that both heat (energy) diffusive behavior as well as Fourier's law follows from and is compatible with a reversible Schrodinger dynamics on the complete level of description.
ISSN: 15393755
DOI: 10.1103/PhysRevE.73.016101

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