Does the coframe geometry can serve as a unification scheme?

Details Does the coframe geometry can serve as a unification scheme? Does the coframe geometry can serve as a unification scheme?

2004-09-19

arxiv.org/abs/gr-qc/0409071v2

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

5 pages

Scientific paper

The coframe field model is known as a viable model for gravity. The principle problem is an interpretation of six additionaldegrees of freedom. We construct a general family of connections which includes the connections of Levi-Civita and Weitzenb\"{o}ck as the limiting cases. We show that for a special choice of parameters, a subfamily of connections is invariant when the infinitesimal field of transformations (antisymmetric tensor) satisfies the pair of vacuum Maxwell equations -- one for torsion and one for non-metricity. Moreover, the vacuum Maxwell equations turn to be the necessary and sufficient conditions for invariance of the viable coframe action (alternative to GR). Consequently, for the viable models, the coframe field is proved to have the Maxwell-type behavior in addition to the known gravity sector.

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