Volume 34, Number 6, May III 1996
|Page(s)||441 - 446|
|Section||Condensed matter: electronic structure, electrical, magnetic and optical properties|
|Published online||01 September 2002|
Quantum diffusion and localization of wavepackets in disordered media
Budker Institute of Nuclear Physics - Novosibirsk, Russia
2 Department of Physics, University of Crete and Research Center of Crete, 71110 Heraklion-Crete, Greece
3 Istituto Nazionale di Fisica della Materia, Sezione di Firenze, Italy
4 Istituto Nazionale di Ottica - 50125 Firenze, and INFN Sezione di Firenze, Italy
5 Dipartimento di Energetica, Università di Firenze, and INFN Sezione di Firenze, Italy
Accepted: 2 April 1996
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.
PACS: 71.55.Jv – Disordered structures; amorphous and glassy solids / 05.45.+b – Theory and models of chaotic systems
© EDP Sciences, 1996
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