Two-impurity Scattering in Quasi-one-dimensional Systems

被引：0
|
作者：
Ioselevich, A. S. [1 ]
Peshcherenko, N. S. [2 ]
机构：
[1] Natl Res Univ Higher Sch Econ, Condensed Matter Phys Lab, Moscow 101000, Russia
[2] LD Landau Inst Theoret Phys, Moscow 119334, Russia
来源：
JETP LETTERS | 2021年 / 114卷 / 01期
关键词：
CARBON NANOTUBES; CONDUCTION;
D O I：
10.1134/S0021364021130038
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In a quasi-one-dimensional system (a tube) with low concentration of defects n the resistivity rho has peaks (van-Hove singularities) as a function of 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 (rho(min) proportional to n(2)) is dominated by scattering at rare "twin" pairs of close defects, while scattering at solitary defects is suppressed. The predicted effect is characteristic for multi-channel systems, it can not be observed in strictly one-dimensional one.
引用
收藏
页码：45 / 50
页数：6
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