Abstract
Interacting electrons, diffusing in a two-dimensional (2d) disordered system, are studied. The renormalization group equations, including both localization effects and Coulomb correlations, are derived. We encounter a qualitatively new situation: the constants describing electron interaction diverge as a result of the renormalization when a certain scale is achieved, whereas the resistence proves to be finite. Calculation of the spin density correlation function reveals that the system exhibits a tendency for spin density rearrangement.
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Finkel'stein, A.M. Weak localization and coulomb interaction in disordered systems. Z. Physik B - Condensed Matter 56, 189–196 (1984). https://doi.org/10.1007/BF01304171
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DOI: https://doi.org/10.1007/BF01304171