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  Statistics of resonances and delay times: A criterion for metal-insulator transitions

Kottos, T., & Weiss, M. (2002). Statistics of resonances and delay times: A criterion for metal-insulator transitions. Physical Review Letters, 89(5): 056401, pp. 056401-1-056401-4.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-1769-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-176A-B
Genre: Journal Article

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Kottos, T.1, Author              
Weiss, M.1, Author              
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1Department of Nonlinear Dynamics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063286              

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 Abstract: We study the distributions of the normalized resonance widths P((&UGamma;) over tilde) and delay times P((τ) over tilde) for 3D disordered tight-binding systems at the metal-insulator transition (MIT) by attaching leads to the boundary sites. Both distributions are scale invariant, independent of the microscopic details of the random potential and the number of channels. Theoretical considerations suggest the existence of a scaling theory for P((&UGamma;) over tilde) in finite samples, and numerical calculations confirm this hypothesis. Based on this, we give a new criterion for the determination and analysis of the MIT.

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Language(s): eng - English
 Dates: 2002-07-29
 Publication Status: Published in print
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 20033
ISI: 000176907500026
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Title: Physical Review Letters
  Alternative Title : Phys. Rev. Lett.
Source Genre: Journal
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Pages: - Volume / Issue: 89 (5) Sequence Number: 056401 Start / End Page: 056401-1 - 056401-4 Identifier: ISSN: 0031-9007