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

页码：45 / 50

页数：6

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