Spatial Geometry of the Electric Field Representation of Non-Abelian Gauge Theories

Abstract

A unitary transformation $\Ps [E]=\exp (iØ[E]/g) F[E]$ is used to simplify the Gauss law constraint of non-abelian gauge theories in the electric field representation. This leads to an unexpected geometrization because $ø^a_i\equiv -\dØ[E]/\d E^{ai}$ transforms as a (composite) connection. The geometric information in ${ø}_i^a$ is transferred to a gauge invariant spatial connection $\G^i_{jk}$ and torsion by a suitable choice of basis vectors for the adjoint representation which are constructed from the electric field $E^{ai}$. A metric is also constructed from $E^{ai}$. For gauge group $SU(2)$, the spatial geometry is the standard Riemannian geometry of a 3-manifold, and for $SU(3)$ it is a metric preserving geometry with both conventional and unconventional torsion. The transformed Hamiltonian is local. For a broad class of physical states, it can be expressed entirely in terms of spatial geometric, gauge invariant variables.

arXiv comment16pp., REVTeX, CERN-TH.7238/94 (Some revision on Secs.3 and 5; one reference added)

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