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most citedCondensation of Ideal Bose Gas Confined in a Box Within a Canonical Ensemble

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hep-th2003

Recursive Graphical Solution of Closed Schwinger-Dyson Equations in phi^4-Theory -- Part1: Generation of Connected and One-Particle Irreducible Feynman Diagrams

Axel Pelster, Konstantin Glaum

Using functional derivatives with respect to the free correlation function we derive a closed set of Schwinger-Dyson equations in phi^4-theory. Its conversion to graphical recursio…