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Phys. Rev. B 69, 073102 (2004) [3 pages]

Dephasing rate in metals versus diffusion constant

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Y. M. Galperin1,2,3, V. I. Kozub2,3, and V. M. Vinokur3
1Department of Physics, University of Oslo, P.O. Box 1048 Blindern, 0316 Oslo, Norway
2A. F. Ioffe Physico-Technical Institute of Russian Academy of Sciences, 194021 St. Petersburg, Russia
3Argonne National Laboratory, 9700 S. Cass Avenue, Argonne, Illinois 60439, USA

Received 30 December 2002; revised 15 July 2003; published 13 February 2004

We discuss correlation between the dephasing time for weak localization in three-dimensional (3D) metals and their conductance. Such correlation was reported for 3D In2O3-x films [Z. Ovadyahu, Phys. Rev. Lett. 52 569 (1984)] and recently in several 3D alloys [J.J. Lin and L.Y. Kao, J. Phys.: Condens. Matter 13, L119 (2001)]. We show that the observed correlation can be explained by the model based on tunneling states of dynamic structural defects.

© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.69.073102
DOI:
10.1103/PhysRevB.69.073102
PACS:
73.20.Fz
 
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