Magnetic scattering effects on magnetoresistance in a quasi-two-dimensional disordered electron system |
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| Authors: | YH Yang YG Wang M Liu |
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| Institution: | (1) Department of Physics, Southeast University, Nanjing 210096, PR China, CN;(2) Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210008, PR China, CN |
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| Abstract: | Magnetic-impurity-scattering effects in a quasi-2D disordered electron system have been investigated theoretically with the
diagrammatic techniques in perturbation theory. The analytical expressions for magnetoconductivities due to weak-localization
effects have been obtained as functions of elastic, inelastic and magnetic scattering times. The relevant dimensional crossover
behavior from 3D to 2D with decreasing the interlayer coupling has been discussed, and the condition for the crossover has
been obtained.
Received 20 March 2001 and Received in final form 28 June 2001 |
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| Keywords: | PACS 73 20 Fz Weak or Anderson localization – 72 15 Rn Localization effects (Anderson or weak localization) – 73 50 Bk General theory scattering mechanisms |
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