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4 papers · 1 filter
Anderson localization and Supersymmetry
K. B. Efetov
The supersymmetry method for study of disordered systems is shortly reviewed. The discussion starts with a historical introduction followed by an explanation of the idea of using G…
Effect of Disorder on Transport in Graphene
I. L. Aleiner, K. B. Efetov
Quenched disorder in graphene is characterized by 5 constants and experiences the logarithmic renormalization even from the spatial scales smaller than the Fermi wavelength. We der…
Long range disorder and Anderson transition in systems with chiral symmetry
Antonio M. Garcia-Garcia, Kazutaka Takahashi
We study the spectral properties of a chiral random banded matrix (chRBM) with elements decaying as a power-law . This model is equivalent to a chir…
Nonlinear sigma model approach for level correlations in chiral disordered systems
Kazutaka Takahashi
We study level correlations of disordered systems with chiral unitary symmetry (AIII symmetry). We use a random matrix model with a finite correlation length to derive a supersymme…