Scaling diagram for the localization length at a band edge
arXiv:math-ph/0702051 · doi:10.1007/s00023-007-0347-3
Abstract
A weak-coupling scaling diagram for the Lyapunov exponent and the integrated density of states near a band edge of a random Jacobi matrix is obtained. The analysis is based on the use of a Fokker-Planck operator describing the drift-diffusion of the Prüfer phases.