The spectral density method applied to systems showing phase transitions

Theory of Superconductivity

J. Bardeen, Leon N. Cooper, J. R. Schrieffer · Physical Review · 1957 · 12.8K citations · Full text

Superconducting Material, Engineering, Critical Currents +18

Electron correlations in narrow energy bands

John P. Hubbard · Proceedings of the Royal Society of London A Mathematical and Physical Sciences · 1963 · 6.5K citations

Crystal Statistics. I. A Two-Dimensional Model with an Order-Disorder Transition

Lars Onsager · Physical Review · 1944 · 6.3K citations

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Field Dependence of the Intrinsic Domain Magnetization of a Ferromagnet

T. Holstein, H. Primakoff · Physical Review · 1940 · 3.9K citations

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Absence of Mott Transition in an Exact Solution of the Short-Range, One-Band Model in One Dimension

Elliott H. Lieb, F. Y. Wu · Physical Review Letters · 1968 · 2.9K citations

Engineering, One-band Model, Exact Solution +16