Electron correlations in narrow energy bands V. A perturbation expansion about the atomic limit

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1963 • 6,300 citations

Generalized Cumulant Expansion Method

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Theory of Many-Particle Systems. I

2000 • 1,048 citations

Diagrammatic Expansion for the Ising Model with Arbitrary Spin and Range of Interaction

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Linked Cluster Expansions in the Statistical Theory of Ferromagnetism

1963 • 129 citations

Thermodynamic Behavior of the Heisenberg Ferromagnet

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