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Of Decoherent Electrons and Disordered Conductors

Mohanty, P. (2002) Of Decoherent Electrons and Disordered Conductors. In: Complexity from Microscopic to Macroscopic Scales: Coherence and Large Deviations. NATO Science Series. No.63. Springer , Dordrecht, pp. 49-81. ISBN 978-1-4020-0634-0.

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Electron decoherence at low temperatures is important for the proper understanding of the metallic ground state, usually studied within the framework of Fermi liquid theory. It is also fundamental to various insulating transitions in low-dimensional disordered conductors, such as Anderson localization, which similar to the Fermi liquid theory relies on a vanishing decoherence rate at zero temperature. I review a series of interference experiments designed to study decoherence by a variety of intrinsic and extrinsic mechanisms. The goal is to determine if there is a truly intrinsic— and, in a sense, unavoidable—source of decoherence, coming from electron- electron interaction. The interference experiments do indicate that there is an ultimate source of decoherence even at zero temperature.

Item Type:Book Section
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Additional Information:© 2002 Springer Science+Business Media Dordrecht.
Subject Keywords:electron decoherence, persistent current, weak localization, conductance fluctuation, Anderson localization, Kondo effect, quantum information
Series Name:NATO Science Series
Issue or Number:63
Record Number:CaltechAUTHORS:20200103-161112515
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:100515
Deposited By: Tony Diaz
Deposited On:08 Jan 2020 20:09
Last Modified:16 Nov 2021 17:54

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