Analytical Results for Random Band Matrices with Preferential Basis

Details Analytical Results for Random Band Matrices with Preferential Basis Analytical Results for Random Band Matrices with Preferential Basis

1995-07-15

arxiv.org/abs/cond-mat/9507057v1

Physics

Condensed Matter

8 pages RevTex and 1 Figure, both uuencoded

Scientific paper

10.1209/0295-5075/32/5/001

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.

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