Kondo Effect of a Vibrating Magnetic Impurity

Details Kondo Effect of a Vibrating Magnetic Impurity Kondo Effect of a Vibrating Magnetic Impurity

2010-08-03

arxiv.org/abs/1008.0474v1

J. Phys. Soc. Jpn. 79 (2010) 093707

Physics

Condensed Matter

Strongly Correlated Electrons

5pages, 6figures, J. Phys. Soc. Jpn. 79 (2010) No.9 to be published

Scientific paper

A generalized Anderson model for a magnetic ion in a harmonic potential is formulated. The model is investigated by the numerical renormalization group(NRG) method. In addition to the conventional s-wave screening, the model exhibits phonon assisted p-wave Kondo effect as well as Yu and Anderson type Kondo effect. It is shown that the s-wave Kondo and the Yu-Anderson Kondo belong to the same fixed point. At the boundary between the s-wave and p-wave Kondo regions line of fixed points of the two channel Kondo effect is identified.

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