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- Title
Two-Impurity Scattering in Quasi-One-Dimensional Systems.
- Authors
Ioselevich, A. S.; Peshcherenko, N. S.
- Abstract
In a quasi-one-dimensional system (a tube) with low concentration of defects n, the resistivity ρ has peaks (van-Hove singularities) as a function of the Fermi energy. We show that due to non-Born scattering effects a deep narrow gap should appear just in the center of each peak. The resistivity at the bottom of a gap () is dominated by scattering at rare "twin" pairs of close defects, while scattering at solitary defects is suppressed. The predicted effect is characteristic for multichannel systems, it cannot be observed in strictly one-dimensional one.
- Subjects
FERMI energy; ENERGY function
- Publication
JETP Letters, 2021, Vol 114, Issue 1, p45
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S0021364021130038