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Article Dans Une Revue Laser Physics Année : 2010

Dynamical entanglement as a signature of chaos in the semiclassical limit

Résumé

The relationship between classically chaotic dynamics and the entanglement properties of the corresponding quantum system is examined in the semiclassical limit. Numerical results are computed for a modified kicked top, keeping the classical dynamics constant while investigating the entanglement for several versions of the corresponding quantum system characterized by a different value of the effective Planck constant ℏ eff. Our findings indicate that as ℏ eff → 0, the apparent signatures of classical chaos in the entanglement properties, such as characteristic oscillations in the time-dependence of the linear entropy, can also be obtained in the regular regime. These results suggest that entanglement is not a universal marker of chaotic dynamics of the corresponding classical system.
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Dates et versions

hal-00961210 , version 1 (19-03-2014)

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Maurice Lombardi, A. Matzkin. Dynamical entanglement as a signature of chaos in the semiclassical limit. Laser Physics, 2010, 20 (5), pp.1215. ⟨10.1134/S1054660X10090343⟩. ⟨hal-00961210⟩
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