Magnetic properties of the Anderson model: a local moment approach

Details Magnetic properties of the Anderson model: a local moment approach Magnetic properties of the Anderson model: a local moment approach

2001-07-13

arxiv.org/abs/cond-mat/0107290v1

D. E. Logan and N. L. Dickens 2001 Europhys. Lett. 54 227

Physics

Condensed Matter

Strongly Correlated Electrons

7 pages, 3 postscript figues. Latex 2e using the epl.cls Europhysics Letters macro package

Scientific paper

10.1209/epl/i2001-00299-3

We develop a local moment approach to static properties of the symmetric Anderson model in the presence of a magnetic field, focussing in particular on the strong coupling Kondo regime. The approach is innately simple and physically transparent; but is found to give good agreement, for essentially all field strengths, with exact results for the Wilson ratio, impurity magnetization, spin susceptibility and related properties.

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