Physical content of quadratic gravity
Abstract We have recently undergone an analysis of gravitational theories as defined in first order formalism, where the metric and the connection are treated as independent fields. The physical meaning of the connection field has historically been somewhat elusive. In this paper, a complete spin an...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
SpringerOpen
2018-09-01
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Series: | European Physical Journal C: Particles and Fields |
Online Access: | http://link.springer.com/article/10.1140/epjc/s10052-018-6250-x |