Quantum diffusion and localization of wavepackets in disordered media

Year: 1996

Authors: Izrailev FM., Kottos T., Politi A., Ruffo S., Tsironis GP.

Autors Affiliation: Budker Institute od Nuclear Physics, Novosibirsk, Russia;
Department of Physics, University of Crete and Research Center od Crete 71110 Heraklion-Crete, Greece;
Istituto Nazionale di Fisica della Materia, sezione di Firenze, Italy;
Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy;
INFN sez. di Firenze, Italy;
Dipartimento di Energetica, Università di Firenze, Italy;
Center for Nonlinear Science, University of North Texas, Denton, USA

Abstract: Diffusive and localization properties of wavepackets are numerically investigated in quasi-one-dimensional disordered media described by a tight-binding Hamiltonian with long-range random interactions. Scaling properties of the packet size and of the fluctuations of the steady-state distribution reveal interesting analogies and differences with the kicked rotator and one-dimensional localization.

Journal/Review: EPL

Volume: 34 (6)      Pages from: 441  to: 446

KeyWords: CHAOS
DOI: 10.1209/epl/i1996-00476-x

Citations: 11
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