Search for two-scale localization in disordered wires in a magnetic field

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The supersymmetry technique [A. V. Kolesnikov and K. B. Efetov, Phys. Rev. Lett. 83, 3689 (1999)] predicts a two-scale behavior of wavefunction decay in disordered wires in the crossover regime from preserved to broken time-reversal symmetry. We have tested this prediction by a transmission approach, relying on the Borland conjecture that relates the decay length of the transmittance to the decay length of the wavefunctions. Our numerical simulations show no indication of two-scale behavior.
3 pages, 4 figures

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Disordered Systems and Neural Networks, Mesoscale and Nanoscale Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/29870

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9910517
 http://arxiv.org/abs/cond-mat/9910517
 Phys. Rev. Lett. 84, 3927 (2000)
 doi:10.1103/PhysRevLett.84.3927

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arXiv