Entanglement induced by nonadiabatic chaos

Details Entanglement induced by nonadiabatic chaos Entanglement induced by nonadiabatic chaos

2004-02-04

arxiv.org/abs/quant-ph/0402036v1

Phys. Rev. A 70 (2004) 012313

Physics

Quantum Physics

4 pages, 6 figures, submitted to Phys. Rev. A

Scientific paper

10.1103/PhysRevA.70.012313

We investigate entanglement between electronic and nuclear degrees of freedom for a model nonadiabatic system. We find that entanglement (measured by the von Neumann entropy of the subsystem for the eigenstates) is large in a statistical sense when the system shows ``nonadiabatic chaos'' behavior which was found in our previous work [Phys. Rev. E {\bf 63}, 066221 (2001)]. We also discuss non-statistical behavior of the eigenstates for the regular cases.

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