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|Title: ||Nonlinear effects and dephasing in disordered electron systems|
|Authors: ||Raimondi, Roberto|
disordered elecron systems
quantum interaction corrections
|Issue Date: ||1999|
|Publisher: ||American Physical Society|
|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|
|Appears in Collections:||A - Articolo su rivista|
Dipartimento di Fisica 'Edoardo Amaldi'
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