2000/11/12 by I. V. Gornyi, A. D. Mirlin, P. Wölfle +1 · 2 citations
Physics and Astronomy · #Quantum and electron transport phenomena #Quantum chaos and dynamical systems #Quantum many-body systems #cond-mat.dis-nn #cond-mat.mes-hall
paper · pdf · doi:10.1103/physrevb.64.115403
published as Phys. Rev. B 64, 115403 (2001) · 8 pages, 3 figures
arxiv created 2000/11/12 · openalex publication_date 2001/08/16 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/30
We study long-range correlations of equilibrium current densities in a two-dimensional mesoscopic system with the time-reversal invariance broken by a random or homogeneous magnetic field. Our result is universal, i.e., it does not depend on the type (random potential or random magnetic field) or correlation length of disorder. Performing a closely connected analysis of the quantum correction to the conductivity in one-loop order, we show that it is nondivergent, in contrast to a recent claim in the literature.