3. Magnetoresistance in Anderson Localized Regime(Theories,I. Three Dimensional Systems)

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  • Magnetoresistance in anderson-localized regime
  • Magnetoresistance in anderson localized

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Magnetoresistance in the Anderson-localized regime is calculated by the percolation method, with a particular purpose of investigating the effects of electron-electron interaction on it. It is predicted that the interplay of the intrastate interaction and the energy dependence of localization lengths gives rise to the competition of positive and negative contributions in the field dependence of the magnetoresistance. Further, combined with the interstate interactions, the temperature change in the magnetoresistance of 1T-TaS_2 and its alloy systems is explained satisfactorily. Finally the correlation of the interaction effects on the variable range hopping in the absence and presence of a magnetic field is clarified.

Journal

  • 物性研究

    物性研究 40 (4), 9-11, 1983-07-20

    物性研究刊行会

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