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The theory of magnetism in metals continues to be one of the challenging subjects of modern theoretical physics. Magnetic phenomena are important, and are observed in a wide variety of materials. The equations are difficult to solve. A variety of theoretical techniques are applied to magnetic phenomena, such as Monte Carlo, renormalization group, and Green’s functions. Here we shall only discuss the latter technique.
KeywordsFermi Surface Ground State Energy Local Electron Anderson Model Magnetic Impurity
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