Non-Quadratic Gauge Fixing and Ghosts for Gauge Theories on the Hypersphere
classification
✦ hep-th
keywords
gaugefixingghostsappropriatebeenhyperspherelagrangiannon-quadratic
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It has been suggested that using a gauge fixing Lagrangian that is not quadratic in a gauge fixing condition is most appropriate for gauge theories formulated on a hypersphere. We reexamine the appropriate ghost action that is to be associated with gauge fixing, applying a technique that has been used for ensuring that the propagator for a massless spin-two field is transverse and traceless. It is shown that this non-quadratic gauge fixing Lagrangian leads to two pair of complex Fermionic ghosts and two Bosonic real ghosts.
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