Non-covariance of the generalized holonomies: Examples

Details Non-covariance of the generalized holonomies: Examples Non-covariance of the generalized holonomies: Examples

1995-03-31

arxiv.org/abs/gr-qc/9503064v2

J.Math.Phys.37:4041-4052,1996

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Silly LaTeX error fixed so that figure is properly included

Scientific paper

10.1063/1.531615

A key aspect of a recent proposal for a {\em generalized loop representation} of quantum Yang-Mills theory and gravity is considered. Such a representation of the quantum theory has been expected to arise via consideration of a particular algebra of observables -- given by the traces of the holonomies of {\em generalized loops}. We notice, however, a technical subtlety, which prevents us from reaching the conclusion that the generalized holonomies are covariant with respect to small gauge transformations. Further analysis is given which shows that they are {\em not} covariant with respect to small gauge transformations; their traces are {\em not} observables of the gauge theory. This result indicates what may be a serious complication to the use of generalized loops in physics.

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