Kondo Effect on Mesoscopic Scale(<SPECIAL TOPICS>Kondo Effect-40 Years after the Discovery)

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概要

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• Following the discovery of the Kondo effect the bulk transport and magnetic behavior of the dilute magnetic alloys have been successfully described. In the last fifteen years new directions have been developed as the study of the systems of reduced dimensions and the artificial atoms so called quantum dots. In this review the first subject is reviewed starting with the scanning tunneling microscope (STM) study of a single magnetic impurity. The next subject is the reduction of the amplitude of the Kondo effect in samples of reduced dimension which was explained by the surface magnetic anisotropy which blocks the motion of the integer spin nearby the surface. The electron dephasing and energy relaxation experiments are discussed with the possible explanation including the surface anisotropy, where the situation in cases of integer and half-integer spins is very different. Finally, the present situation of the theory of dynamical structural defects is briefly presented which may lead to two-channel Kondo behavior.

• 社団法人日本物理学会の論文
• 2005-01-15

著者

• Zawadowski Alfred

  Research Institute For Solid State Physics

• Ujsaghy Orsolya

  Budapest University of Technology and Economics, Institute of Physics and Research Group Theory of C

• Ujsaghy Orsolya

  Budapest University Of Technology And Economics Institute Of Physics And Research Group Theory Of Co

関連論文

• Kondo Effect on Mesoscopic Scale(Kondo Effect-40 Years after the Discovery)

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