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|Title:||Low Magnetic Field Anomaly of the Hall Effect in Disordered Two-Dimensional Systems: Interplay between Weak Localization and Electron-Electron Interaction|
|Authors:||Minkov, G. M.|
Germanenko, A. V.
Rut, O. E.
Sherstobitov, A. A.
Zvonkov, B. N.
|Publisher:||American Physical Society (APS)|
|Citation:||Low Magnetic Field Anomaly of the Hall Effect in Disordered Two-Dimensional Systems: Interplay between Weak Localization and Electron-Electron Interaction / G. M. Minkov, A. V. Germanenko, O. E. Rut et al. // Physical Review B - Condensed Matter and Materials Physics. — 2010. — Vol. 82. — Iss. 3. — 035306.|
|Abstract:||The nonlinear behavior of the Hall resistivity at low magnetic fields in single quantum well GaAs/ Inx Ga1-xAs/GaAs heterostructures with degenerated electron gas is studied. It has been found that this anomaly is accompanied by the weaker temperature dependence of the conductivity as compared with that predicted by the first-order theory of the quantum corrections to the conductivity. We show that both effects in strongly disordered systems stem from the second order quantum correction caused by the effect of weak localization on the interaction correction and vice versa. This correction contributes mainly to the diagonal component of the conductivity tensor, it depends on the magnetic field such as the weak localization correction and on the temperature like the interaction contribution. © 2010 The American Physical Society.|
|metadata.dc.description.sponsorship:||We would like to thank I. V. Gornyi, I. S. Burmistrov, and A. M. Finkel’stein for illuminating discussions. This work has been supported in part by the RFBR (Grants No. 08-02-00662, No. 09-02-00789, and No. 10-02-00481).|
|Appears in Collections:||Научные публикации, проиндексированные в SCOPUS и WoS CC|
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