On the static susceptibility in the kondo problem

W. Brenig; J. A. Gonzalez; W. Götze; P. Wölfle

doi:10.1007/BF01399755

On the static susceptibility in the kondo problem

W. Brenig, J. A. Gonzalez, W. Götze, P. Wölfle

TUM Emeriti of Excellence

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Abstract

The dynamical susceptibility of the s-d-model is calculated in second order. It turns out, that only the impurity-impurity part of the static susceptibility contains logarithmically divergent terms. In order to obtain convergent results below T=T_k a partial summation is carried out for this part. The final result is expressed in terms of Suhl's spin flip scattering amplitude. We find an interpolation formula for the temperature dependence of the susceptibility with complete screening of the impurity spin for S=1/2 at T=0.

Original language	English
Pages (from-to)	52-58
Number of pages	7
Journal	Zeitschrift für Physik
Volume	235
Issue number	1
DOIs	https://doi.org/10.1007/BF01399755
State	Published - Feb 1970

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abstract = "The dynamical susceptibility of the s-d-model is calculated in second order. It turns out, that only the impurity-impurity part of the static susceptibility contains logarithmically divergent terms. In order to obtain convergent results below T=Tk a partial summation is carried out for this part. The final result is expressed in terms of Suhl's spin flip scattering amplitude. We find an interpolation formula for the temperature dependence of the susceptibility with complete screening of the impurity spin for S=1/2 at T=0.",

author = "W. Brenig and Gonzalez, {J. A.} and W. G{\"o}tze and P. W{\"o}lfle",

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AU - Brenig, W.

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AU - Götze, W.

AU - Wölfle, P.

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Y1 - 1970/2

N2 - The dynamical susceptibility of the s-d-model is calculated in second order. It turns out, that only the impurity-impurity part of the static susceptibility contains logarithmically divergent terms. In order to obtain convergent results below T=Tk a partial summation is carried out for this part. The final result is expressed in terms of Suhl's spin flip scattering amplitude. We find an interpolation formula for the temperature dependence of the susceptibility with complete screening of the impurity spin for S=1/2 at T=0.

AB - The dynamical susceptibility of the s-d-model is calculated in second order. It turns out, that only the impurity-impurity part of the static susceptibility contains logarithmically divergent terms. In order to obtain convergent results below T=Tk a partial summation is carried out for this part. The final result is expressed in terms of Suhl's spin flip scattering amplitude. We find an interpolation formula for the temperature dependence of the susceptibility with complete screening of the impurity spin for S=1/2 at T=0.

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JO - Zeitschrift für Physik

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ER -

On the static susceptibility in the kondo problem

Abstract

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