Relaxation into equilibrium under pure Schrödinger dynamics

Details Relaxation into equilibrium under pure Schrödinger dynamics Relaxation into equilibrium under pure Schrödinger dynamics

2003-10-29

arxiv.org/abs/quant-ph/0310176v1

Eur. Phys. J. B 35, 2, 255 (2003)

Physics

Quantum Physics

5 pages, 9 figures

Scientific paper

10.1140/epjb/e2003-00275-3

We consider bipartite quantum systems that are described completely by a state vector $|\Psi(t)>$ and the fully deterministic Schr\"odinger equation. Under weak constraints and without any artificially introduced decoherence or irreversibility, the smaller of the two subsystems shows thermodynamic behaviour like relaxation into an equilibrium, maximization of entropy and the emergence of the Boltzmann energy distribution. This generic behaviour results from entanglement.

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