English

Analytical Results for Random Band Matrices with Preferential Basis

Condensed Matter 2009-10-28 v1 chao-dyn Chaotic Dynamics

Abstract

Using the supersymmetry method we analytically calculate the local density of states, the localiztion length, the generalized inverse participation ratios, and the distribution function of eigenvector components for the superposition of a random band matrix with a strongly fluctuating diagonal matrix. In this way we extend previously known results for ordinary band matrices to the class of random band matrices with preferential basis. Our analytical results are in good agreement with (but more general than) recent numerical findings by Jacquod and Shepelyansky.

Keywords

Cite

@article{arxiv.cond-mat/9507057,
  title  = {Analytical Results for Random Band Matrices with Preferential Basis},
  author = {Klaus Frahm and Axel Müller--Groeling},
  journal= {arXiv preprint arXiv:cond-mat/9507057},
  year   = {2009}
}

Comments

8 pages RevTex and 1 Figure, both uuencoded

R2 v1 2026-07-22T11:50:12.964Z