Non-Quadratic Gauge Fixing and Ghosts for Gauge Theories on the Hypersphere

Details Non-Quadratic Gauge Fixing and Ghosts for Gauge Theories on the Hypersphere Non-Quadratic Gauge Fixing and Ghosts for Gauge Theories on the Hypersphere

2011-10-07

arxiv.org/abs/1110.1621v1

Physics

High Energy Physics

High Energy Physics - Theory

To be published in the Physical Review D

Scientific paper

10.1103/PhysRevD.84.087705

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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