Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2004-02-02
Phys.Rev. D70 (2004) 045014
Physics
High Energy Physics
High Energy Physics - Theory
Typos corrected, more about the non-Abelian decomposition and inner products, more discussion of the mass gap in 3+1 dimension
Scientific paper
10.1103/PhysRevD.70.045014
A gauge-invariant field is found which describes physical configurations, i.e. gauge orbits, of non-Abelian gauge theories. This is accomplished with non-Abelian generalizations of the Poincare'-Hodge formula for one-forms. In a particular sense, the new field is dual to the gauge field. Using this field as a coordinate, the metric and intrinsic curvature are discussed for Yang-Mills orbit space for the (2+1)- and (3+1)-dimensional cases. The sectional, Ricci and scalar curvatures are all formally non-negative. An expression for the new field in terms of the Yang-Mills connection is found in 2+1 dimensions. The measure on Schroedinger wave functionals is found in both 2+1 and 3+1 dimensions; in the former case, it resembles Karabali, Kim and Nair's measure. We briefly discuss the form of the Hamiltonian in terms of the dual field and comment on how this is relevant to the mass gap for both the (2+1)- and (3+1)-dimensional cases.
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