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Please use this identifier to cite or link to this item: http://hdl.handle.net/2307/211

Title: Nonlinear effects and dephasing in disordered electron systems
Authors: Raimondi, Roberto
Schwab, Peter
Castellani, Claudio
Keywords: dephasing
disordered elecron systems
quantum interaction corrections
non-linear effects
weak localization
Issue Date: 1999
Publisher: American Physical Society
Citation: 33
Abstract: The calculation of the dephasing time in electron systems is presented. By means of the Keldysh formalism, we discuss in a unifying way both weak localization and interaction effects in disordered systems. This allows us to show how dephasing arises both in the particle-particle channel (weak localization) and in the particle-hole channel (interaction effect). First we discuss dephasing by an external field. Besides reviewing previous work on how an external oscillating field suppresses the weak
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URI: http://hdl.handle.net/2307/211
ISSN: 1550-235x
1098-0121
DOI: 10.1103/PhysRevB.60.5818
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Appears in Collections:A - Articolo su rivista
Dipartimento di Fisica 'Edoardo Amaldi'

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