RKKY interaction in single-walled nanotubes

被引:14
|
作者
Shenoy, VB [1 ]
机构
[1] Indian Inst Sci, Ctr Mat Res, Bangalore 560012, Karnataka, India
[2] Indian Inst Sci, Ctr Condensed Matter Theory, Bangalore 560012, Karnataka, India
关键词
D O I
10.1103/PhysRevB.71.125431
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The Ruderman-Kittel-Kasuya-Yoshida interaction between, magnetic impurities in single-walled nanotubes is studied in the framework of a free electron model. It is found that the interaction decays inversely as axial separation between the impurities as in the case of a purely one-dimensional system. The key feature found is that the inverse-distance interaction is modulated by a nonperiodic function that depends on the size (radius) of the tube. Implications for magnetically doped nanotubes are discussed.
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页数:6
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