Classical Dynamics of Quantum Entanglement

Details Classical Dynamics of Quantum Entanglement Classical Dynamics of Quantum Entanglement

2011-09-05

arxiv.org/abs/1109.0907v2

Physics

Quantum Physics

4 pages, 4 figures. New references to published related work have been added

Scientific paper

We numerically analyze the dynamical generation of quantum entanglement in a system of 2 interacting particles, started in a coherent separable state, for decreasing values of $\hbar$. As $\hbar\to 0$ the entanglement entropy, computed at any finite time, converges to a finite nonzero value. The limit law that rules the time dependence of entropy is well reproduced by purely classical computations. Its general features may then be explained by simple classical arguments, which expose the different ways entanglement is generated in systems which are classically chaotic or regular.

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