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path integral

   Also found in: Wikipedia 0.01 sec.
path integral [′path ‚int·ə·grəl]
(quantum mechanics)
An integral of a functional over function space; central to a formulation of quantum mechanics developed by R. Feynman.


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Some areas explored include loop space path integral representations for Euclidean quantum field path integrals, Abelian Wilson loops, fermions on the lattice by means of Mandelstam-Wilson phase factors, string wave equations in Polyakov's path integral framework, a covariant path integral for Nambu-Goto string theory, and domains of bosonic functional integrals.
The energy parameter J can be either experimentally determined by using the multispecimen technique developed by Begley and Landes (12) or numerically evaluated from the path integral via the finite element method (FEM).
 
 
 
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