Continuous Cluster Expansion for Field Theories
Fang-Jie Zhao
Communications in Mathematics and Statistics ›› 2025, Vol. 13 ›› Issue (4) : 931 -948.
Continuous Cluster Expansion for Field Theories
A new version of the cluster expansion is proposed without breaking the translation and rotation invariance. As an application of this technique, we construct the connected Schwinger functions of the regularized
Constructive field theory / Cluster expansion / Translation and rotation invariance / Connected Schwinger function / 81T08
School of Mathematical Sciences, University of Science and Technology of China and Springer-Verlag GmbH Germany, part of Springer Nature
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