Comment on ``Critical Behavior in Disordered Quantum Systems Modified by Broken Time--Reversal Symmetry''

Details Comment on ``Critical Behavior in Disordered Quantum Systems Modified by Broken Time--Reversal Symmetry'' Comment on ``Critical Behavior in Disordered Quantum Systems Modified by Broken Time--Reversal Symmetry''

1998-09-02

arxiv.org/abs/cond-mat/9809029v1

Phys. Rev. Lett. 81, 3048 (1998)

Physics

Condensed Matter

Disordered Systems and Neural Networks

1 page in PS, to appear in PRL Sept. 28

Scientific paper

10.1103/PhysRevLett.81.3048

In a recent Letter [Phys. Rev. Lett. 80, 1003 (1998)] Hussein and Pato employed the maximum entropy principle (MEP) in order to derive interpolating ensembles between any pair of universality classes in random matrix theory. They apply their formalism also to the transition from random matrix to Poisson statistics of spectra that is observed for the case of the Anderson-type metal-insulator transition. We point out the problems with the latter procedure.

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