Path integral
Encyclopedia
Path integral may refer to:
- Line integralLine integralIn mathematics, a line integral is an integral where the function to be integrated is evaluated along a curve.The function to be integrated may be a scalar field or a vector field...
, the integral of a function along a curve - Functional integrationFunctional integrationFunctional integration is a collection of results in mathematics and physics where the domain of an integral is no longer a region of space, but a space of functions...
, the integral of a functional over a space of curves - Path integral formulationPath integral formulationThe path integral formulation of quantum mechanics is a description of quantum theory which generalizes the action principle of classical mechanics...
of quantum mechanics using functional integration, due to Richard Feynman