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VOLUME 62 (1995) | ISSUE 7 | PAGE 583
Long-time relaxation of current in a 2D weakly disordered conductor
The long-time relaxation of the average conductance in a 2D mesoscopic sample is studied within the method recently suggested by Muzykantskii and Khmelnitskii and based on a saddle-point approximation to the supermatrix σ—model. The obtained far asymptotics is in perfect agreement with the result of renormalization group treatment by Altshuler, Kravtsov and Lerner.