Gauge Formalism for General Relativity and Fermionic Matter
Lorenzo Fatibene, Marco Ferraris, Mauro Francaviglia, Marco Godina
Abstract
A new formalism for spinors on curved spaces is developed in the framework of variational calculus on fibre bundles. The theory has the same structure of a gauge theory and describes the interaction between the gravitational field and spinors. An appropriate gauge structure is also given to General Relativity, replacing the metric field with spin frames. Finally, conserved quantities and superpotentials are calculated under a general covariant form.
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