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Found materials: 2

Books: Quantum theory of nonequilibrium processes, 1
Danielewicz P., 1984

Quantum theory of nonequilibrium processes, 1


Green's function techniques for studying nonequilibrium quantum processes are discussed. Perturbation expansions and Green's function equations of motion are developed for noncorrelated and correlated…

Books: Operator expectation values, self-energies, cutting rules, and higher-order processes
Danielewicz P., 1990

Operator expectation values, self-energies, cutting rules, and higher-order processes


The high-order structure of diagrammatic expansion in real-time many-body theory is examined. The existence of cutting rules is demonstrated for diagrams that can correspond to the expectation values …


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