Logarithmic Correction Terms of the Magnetic Susceptibility in Highly Correlated Electron Systems
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概要
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The logarithmic correction terms in the repulsive Hubbard chain is investigated by using the Bethe Ansatz. The magnetic susceptibility χ of this model has a field dependent logarithmic correction term in small magnetic field at zero-temperature. This term causes ∂χ/∂h|_<h=0>=∞. In arbitrary n and U the existence of the logarithmic correction term is shown for the susceptibility. We consider how this term depends on n and U. We also discuss the logarithmic correction term of the super-symmetric t-J model.
- 社団法人日本物理学会の論文
- 1995-11-15
著者
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Takahashi Minoru
Institute For Solid Physics University Of Tokyo
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Kawano Kenro
Institute for Solid State Physics, University of Tokyo
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Kawano Kenro
Institute For Solid State Physics University Of Tokyo
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