A non-perturbative cumulant expansion method for the grand partition function of quantum systems

Quantum Mechanics and Path Integrals

Students Quarterly Journal · 1966 · 9.7K citations · Full text

Natural Sciences, Mathematics, Physics +12

On the exponential solution of differential equations for a linear operator

Wilhelm Magnus · Communications on Pure and Applied Mathematics · 1954 · 2.4K citations

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Theory of Many-Particle Systems. I

Paul C. Martin, Julian Schwinger · Physical Review · 1959 · 1.8K citations

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Generalized Cumulant Expansion Method

Ryogo Kubo · Journal of the Physical Society of Japan · 1962 · 1.8K citations

Natural Sciences, Mathematics, Physics +13

Quantum many-particle systems

R. F. Bishop · Contemporary Physics · 1990 · 1.3K citations · Full text

Natural Sciences, Physics, Mathematical Physics +15