Chern-Simons theory, Stokes' Theorem, and the Duflo map

Details Chern-Simons theory, Stokes' Theorem, and the Duflo map Chern-Simons theory, Stokes' Theorem, and the Duflo map

2011-01-10

arxiv.org/abs/1101.1690v1

J.Geom.Phys.61:1104-1121,2011

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

26 pages, 8 figures

Scientific paper

10.1016/j.geomphys.2011.02.013

We consider a novel derivation of the expectation values of holonomies in Chern-Simons theory, based on Stokes' Theorem and the functional properties of the Chern-Simons action. It involves replacing the connection by certain functional derivatives under the path integral integral. It turns out that ordering choices have to be made in the process, and we demonstrate that, quite surprisingly, the Duflo isomorphism gives the right ordering, at least in the simple cases that we consider. In this way, we determine the expectation values of unknotted, but possibly linked, holonomy loops for SU(2) and SU(3), and sketch how the method may be applied to more complicated cases. Our manipulations of the path integral are formal but well motivated by a rigorous calculus of integration on spaces of generalized connections which has been developed in the context of loop quantum gravity.

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