Aspects of the polynomial affine model of gravity in three dimensions
The European Physical Journal C(2022)
摘要
The polynomial affine gravity is a model that is built up without the explicit use of a metric tensor field. In this article we reformulate the three-dimensional model and, given the decomposition of the affine connection, we analyse the consistently truncated sectors. Using the cosmological ansatz for the connection, we scan the cosmological solutions on the truncated sectors. We discuss the emergence of different kinds of metrics.
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关键词
alternative models of gravity, affine gravity, cosmological models, three-dimensional gravity, exact solutions
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