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|Title:||Analysis of Negative Magnetoresistance: Statistics of Closed Paths. I. Theory|
|Publisher:||American Physical Society (APS)|
|Citation:||Analysis of Negative Magnetoresistance: Statistics of Closed Paths. I. Theory / G. Minkov, A. Germanenko, V. Larionova et al. // Physical Review B - Condensed Matter and Materials Physics. — 2000. — Vol. 61. — Iss. 19. — P. 13164-13171.|
|Abstract:||Statistics of closed paths in two-dimensional (2D) systems, which just determines the interference quantum correction to conductivity and anomalous magnetoconductance, has been studied by computer simulation of a particle motion over the plane with randomly distributed scatterers. Both ballistic and diffusion regimes have been considered. The results of simulation have been analyzed in the framework of diffusion approximation. They are used for calculation of the magnetic-field dependence of magnetoconductance in the model 2D system. It is shown that the anomalous magnetoconductance can be, in principle, described by the well-known expression, obtained in the diffusion approximation, but with the prefactor less than unity and phase breaking, which differs from true value. © 2000 The American Physical Society.|
|metadata.dc.description.sponsorship:||We thank A.P. Dmitriev, V.Yu. Kachorovskii, and A.G. Yashenkin for useful discussions. This work was supported in part by the RFBR through Grant Nos. 97-02-16168, 98-02-17286, and 99-02-17110, the Russian Program Physics of Solid State Nanostructures through Grant No. 97-1091, INTAS through Grant No. 97-1342, and the Program University of Russia through Grant No. 420.|
|Appears in Collections:||Научные публикации, проиндексированные в SCOPUS и WoS CC|
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