Phase diagram of localization in a magnetic field
arXiv:cond-mat/9708105 · doi:10.1103/PhysRevB.57.37
Abstract
The phase diagram of localization is numerically calculated for a three-dimensional disordered system in the presence of a magnetic field using the Peierls substitution. The mobility edge trajectory shifts in the energy-disorder space when increasing the field. In the band center, localized states near the phase boundary become delocalized. The obtained field dependence of the critical disorder is in agreement with a power law behavior expected from scaling theory. Close to the tail of the band the magnetic field causes localization of extended states.
arXiv comment4 pages, RevTeX, 3 PS-figures (4 extra references are included, minor additions), to appear in Phys. Rev. B as a Brief Report
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- Transition to an Insulating Phase Induced by Attractive Interactions in the Disordered Three-Dimensional Hubbard Model
- Towards a Comprehensive Theory of Metal-Insulator Transitions in Doped Semiconductors
- Universal scaling, beta function, and metal-insulator transitions
- Metal-insulator transition in a multilayer system with a strong magnetic field
- Anderson Metal-Insulator Transitions With Classical Magnetic Impurities
- Magnetic Field Effect for Two Electrons in a Two Dimensional Random Potential