INTERACTION EFFECTS AND PHASE RELAXATION IN DISORDERED SYSTEMS
作者： B L Altshuler , M E Gershenson , I L Aleiner
DOI: 10.1088/0959-7174/9/2/308
关键词: Weak localization 、 Conductance 、 Physics 、 Dephasing 、 Relaxation (NMR) 、 Perturbation theory 、 Magnetoresistance 、 Condensed matter physics 、 Phase (waves) 、 Inverse
摘要: Abstract This paper is intended to demonstrate that there no need revise the existing theory of transport properties disordered conductors in so-called weak localization regime. In particular, we explicitly recent attempts justify theoretically dephasing rate (extracted from magnetoresistance) remains finite at zero temperature are based on a profoundly incorrect calculation. demonstration straightforward evaluation effect electron-electron interaction correction conductivity metals. Using well controlled perturbation with inverse conductance g as small parameter, show this consists two contributions. The first contribution comes processes energy transfer smaller than temperature, and responsible for setting scale magnetoresistance. second originates virtual t...
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