Journal
PHYSICAL REVIEW B
Volume 71, Issue 12, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.71.125431
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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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