On representations of a chiral alternative to vierbein

Details On representations of a chiral alternative to vierbein On representations of a chiral alternative to vierbein

2010-04-26

arxiv.org/abs/1004.4575v1

Physics

High Energy Physics

High Energy Physics - Theory

13 pages

Scientific paper

In an attempt to facilitate the construction of a quantum theory of gravity, 't Hooft has considered a chiral alternative to the vierbein field in general theory of relativity. These objects, $ f^a{}_{\mu\nu}$, behave like the "cube root" of the metric tensor. We try to construct specific representations of these tensors in terms of Dirac $\gamma$ matrices in Euclidean and Minkowski space and promote these to curved space through Penrose-Newman formalism. We conjecture that these new objects, with physical significance, are the analog of Killing-Yano tensors.

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