The vierbein is irrelevant in perturbation theory |
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| Authors: | R.P. Woodard |
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| Affiliation: | Center for Relativity, The University of Texas, Austin, TX 78712, USA |
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| Abstract: | Proper gauge fixing permits the elimination of the vierbein in favor of the metric as the field variable of gravity even when fermions are present. The result is a much simpler computational formalism which is nonetheless background field invariant and possesses all the usual constraints of symmetry, locality, and canonical field dimension. |
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