Effective Action in Theory of Quasi-Ballistic Disordered Conductors
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We suggest an effective field theory for disorderd conductors, which describes quantum kinetics of ballistically propagating electrons. This theory contains non-linear $σ$-model \cite{Efetov} as its long wave limit.
RevTeX, 7 pages no figures (to be published in JETP Letters)
RevTeX, 7 pages no figures (to be published in JETP Letters)