期刊
UNIVERSE
卷 5, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/universe5060143
关键词
teleparallel gravity; Weitzenbock gauge; Hamiltonian analysis
资金
- Estonian Research Council [PRG356]
- European Regional Development Fund through the Center of Excellence The Dark Side of the Universe [TK133]
The covariant formulation of teleparallel gravity theories must include the spin connection, which has 6 degrees of freedom. One can, however, always choose a gauge such that the spin connection is put to zero. In principle this gauge may affect counting of degrees of freedom in the Hamiltonian analysis. We show for general teleparallel theories of gravity, that fixing the gauge such that the spin connection vanishes in fact does not affect the counting of degrees of freedom. This manifests in the fact that the momenta of the Lorentz transformations which generate the spin connection are fully determined by the momenta of the tetrads.
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