Comment on ``Search for two-scale localization in disordered wires in a magnetic field''

Details Comment on ``Search for two-scale localization in disordered wires in a magnetic field'' Comment on ``Search for two-scale localization in disordered wires in a magnetic field''

2000-05-02

arxiv.org/abs/cond-mat/0005048v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

1 page

Scientific paper

In a recent work Schomerus and Beenakker [Phys. Rev. Lett. 84, 3927 (2000)] tried to check numerically our prediction about a two-scale localization in disordered wires in a weak magnetic field. According to our theory an exponential decay of wave functions with the localization length of the orthogonal ensemble is followed at larger distances by another exponential decay with the length of the unitary ensemble. Studying the transmittance, Schomerus and Beenakker did not confirm our theory. The most probable explanation they suggested is that only rare states could have the two scales while ``typical'' states have the only localization length. We suggest another explanation of the discrepancy, namely, that the Borland conjecture relating the transmittance and wave functions to each other may not be used for studying the effect of the magnetic field on the tails of wave functions.

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