Mesoscopic Fluctuations of Eigenfunctions and "Level Velocity" Distribution in Disordered Metals

Details Mesoscopic Fluctuations of Eigenfunctions and "Level Velocity" Distribution in Disordered Metals Mesoscopic Fluctuations of Eigenfunctions and "Level Velocity" Distribution in Disordered Metals

1994-08-24

arxiv.org/abs/cond-mat/9408075v2

Physics

Condensed Matter

REVTEX, 7 pages

Scientific paper

10.1103/PhysRevB.51.13403

We calculate the distribution of eigenfunction amplitudes and the variance of
the ``inverse participation ratio'' (IPR) in disordered metallic samples. A
relation is established between the distribution function of IPR and that of
``level velocities'' -- parametric derivatives of energy levels with respect to
a random perturbation.

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