Quantum scaling laws in the onset of dynamical delocalization

We study the destruction of dynamical localization experimentally observed in an atomic realization of the kicked rotor by a deterministic Hamiltonian perturbation, with a temporal periodicity incommensurate with the principal driving. We show that the destruction is gradual, with well-defined scali...

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Bibliographic Details
Published in:Physical review letters 2006-12, Vol.97 (26), p.264101-264101, Article 264101
Main Authors: Chabé, Julien, Lignier, Hans, Cavalcante, Hugo, Delande, Dominique, Szriftgiser, Pascal, Garreau, Jean Claude
Format: Article
Language:English
Subjects:
Atomic Physics
Chaotic Dynamics
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Condensed Matter
HAMILTONIANS
Nonlinear Sciences
Other
PERIODICITY
PERTURBATION THEORY
Physics
QUANTUM MECHANICS
Quantum Physics
SCALING LAWS
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Summary:We study the destruction of dynamical localization experimentally observed in an atomic realization of the kicked rotor by a deterministic Hamiltonian perturbation, with a temporal periodicity incommensurate with the principal driving. We show that the destruction is gradual, with well-defined scaling laws for the various classical and quantum parameters, in sharp contrast to predictions based on the analogy with Anderson localization.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.97.264101