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- Title
Gauge Formalism for General Relativity and Fermionic Matter.
- Authors
Fatibene, L.; Ferraris, M.; Francaviglia, M.; Godina, M.
- Abstract
A new formulation for General Relativity is developed; it is a canonical, global and geometrically well posed formalism in which gravity is described using only variables related to spin structures. It does not require any background metric fixing and it applies to quite general manifolds, i.e. it does not need particular symmetries requirement or global frames. A global Lagrangian framework for Dirac spinors is also provided; conserved quantities and superpotentials are given. The interaction between gravity and spinors is described in a minimal coupling fashion with respect to the new variables and the Hilbert stress tensor of spinor fields is computed, providing the gravitational field generated by spinors. Finally differences and analogies between this formalism and gauge theories are discussed.
- Publication
General Relativity & Gravitation, 1998, Vol 30, Issue 9, p1371
- ISSN
0001-7701
- Publication type
Article
- DOI
10.1023/A:1018852524599