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Article Dans Une Revue American Journal of Physics Année : 2008

From laser cooling to aging: a unified Levy flight description

Résumé

Intriguing phenomena such as subrecoil laser cooling of atoms, or aging phenomenon in glasses, have in common that the systems considered do not reach a steady-state during the experiments, although the experimental time scales are very large compared to the microscopic ones. We revisit some standard models describing these phenomena, and reformulate them in a unified framework in terms of lifetimes of the microscopic states of the system. A universal dynamical mechanism emerges, leading to a generic time-dependent distribution of lifetimes, independently of the physical situation considered.

Dates et versions

ensl-00311483 , version 1 (18-08-2008)

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Eric Bertin, F. Bardou. From laser cooling to aging: a unified Levy flight description. American Journal of Physics, 2008, 76, pp.630. ⟨10.1119/1.2888543⟩. ⟨ensl-00311483⟩
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