The Level Spacing Distribution Near the Anderson Transition

A. G. Aronov, V. E. Kravtsov, I. V. Lerner

For a disordered system near the Anderson transition we show that the nearest-level-spacing distribution has the asymptotics $P(s)\propto \exp (-A{s}^{2-\gamma })$ for $s\gg \av{s}\equiv 1…