Crossover of conductance and local density of states in a single-channel disordered quantum wire

Details Crossover of conductance and local density of states in a single-channel disordered quantum wire Crossover of conductance and local density of states in a single-channel disordered quantum wire

2004-02-03

arxiv.org/abs/cond-mat/0402073v2

Phys. Rev. B 70, 195329 (2004)

Physics

Condensed Matter

Disordered Systems and Neural Networks

19 pages, 5 eps figures

Scientific paper

10.1103/PhysRevB.70.195329

The probability distribution of the mesoscopic local density of states (LDOS) for a single-channel disordered quantum wire with chiral symmetry is computed in two different geometries. An approximate ansatz is proposed to describe the crossover of the probability distributions for the conductance and LDOS between the chiral and standard symmetry classes of a single-channel disordered quantum wire. The accuracy of this ansatz is discussed by comparison with a large-deviation ansatz introduced by Schomerus and Titov in Phys. Rev. B \textbf{67}, 100201(R) (2003).

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