Causality and unitarity via the tree-loop duality relation
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DOI: 10.1007/jhep05(2017)148
Abstract: A bstractThe tree-loop duality relation is used as a starting point to derive the constraints of causality and unitarity. Specifically, the Bogoliubov causality condition is ab initio derived at the individual graph level. It leads… read more here.
Keywords: tree loop; loop duality; relation; causality ... See more keywords