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Noun
1. path integralPhysics
Wikipedia definition
2. Path integral formulationThe path integral formulation of quantum mechanics is a description of quantum theory which generalizes the action principle of classical mechanics. It replaces the classical notion of a single, unique trajectory for a system with a sum, or functional integral, over an infinity of possible trajectories to compute a quantum amplitude.
Read “Path integral formulation” on English Wikipedia
Read “経路積分” on Japanese Wikipedia
Read “Path integral formulation” on DBpedia

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