Polarons in Suspended Carbon Nanotubes

被引：3

作者：

Snyman, I. ^{[1
,2
]}

Nazarov, Yu. V. ^{[3
]}

机构：

[1] Natl Inst Theoret Phys, ZA-7602 Matieland, South Africa

[2] Univ Stellenbosch, Dept Phys, ZA-7602 Matieland, South Africa

[3] Delft Univ Technol, Kavli Inst Nanosci, NL-2628 CJ Delft, Netherlands

来源：

PHYSICAL REVIEW LETTERS | 2012年 / 108卷 / 07期

基金：

新加坡国家研究基金会;

关键词：

ELECTRONIC STATES;

D O I：

10.1103/PhysRevLett.108.076805

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We prove theoretically the possibility of electric-field controlled polaron formation involving flexural ( bending) modes in suspended carbon nanotubes. Upon increasing the field, the ground state of the system with a single extra electron undergoes a first-order phase transition between an extended state and a localized polaron state. For a common experimental setup, the threshold electric field is only of the order of similar or equal to 5 x 10(-2) V/mu m.

引用

页数：4

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