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- W2068734580 abstract "There exists a simple rule by which path integrals for the motion of a point particle in a flat space can be transformed correctly into those in a curved space. This rule arose from well- established methods in the theory of plastic deformations, where crystals with defects are described mathematically by applying active nonholonomic coordinate transformations to ideal crystals. In the context of time-sliced path integrals, this has given rise to aquantum equivalence principlewhich determines the short-time action and functional integration measure of fluctating orbits in spaces with curvature and torsion. The nonholonomic transformations have a nontrivial Jacobian which in curved spaces produces an additional energy proportional to the curvature scalar, thereby canceling an equal term found earlier by DeWitt in his formulation of Feynman's time-sliced path integral in curved space. The importance of this cancelation has been documented in various systems (H-atom, particle on the surface of a sphere, spinning top). Here we point out its relevance to the bosonization of a non-Abelian one-dimensional quantum field theory, whose fields live in a flat field space. The bosonized version is a quantum-mechanical path integral of a point particle moving in a space with constant curvature. The additional term introduced by the Jacobian is crucial for the identity between original and bosonized theory. A useful bosonization tool is the so-called Hubbard–Stratonovich formula for which we find a nonabelian version." @default.
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- W2068734580 date "1997-01-01" @default.
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- W2068734580 title "Non-Abelian Bosonization as a Nonholonomic Transformation from a Flat to a Curved Field Space" @default.
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- W2068734580 doi "https://doi.org/10.1006/aphy.1997.5604" @default.
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