High frequency Aharonov-Bohm oscillations in carbon nanotubes

被引：1
|
作者：
Yang, LF [1 ]
Jiang, J
Dong, JM
机构：
[1] Nanjing Univ, Natl Lab Solid State Microstruct, Grp Computat Condensed Matter Phys, Nanjing 210093, Peoples R China
[2] Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China
来源：
MODERN PHYSICS LETTERS B | 2003年 / 17卷 / 04期
关键词：
carbon nanotubes; quantum interference; AAS effect;
D O I：
10.1142/S0217984903005032
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We give a multiple-cycle quantum interference model and obtain magnetoresistance (MR) expression in the framework of the weak localization. The MR expression based upon finite phase-breaking length L-phi can explain well several experimental results about distinct negative magnetoresistance of carbon nanotubes. The higher-order oscillation peaks with magnetic flux exist in the MR can also be explained by our model. And a new method to measure the phase-breaking length L-phi of the single-wall carbon nanotubes has been proposed.
引用
收藏
页码：159 / 165
页数：7
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