Deformed general relativity and torsion

@article{Gibbons2009DeformedGR,
  title={Deformed general relativity and torsion},
  author={G. Gibbons and Steffen Gielen},
  journal={Classical and Quantum Gravity},
  year={2009},
  volume={26},
  pages={135005}
}
  • G. Gibbons, Steffen Gielen
  • Published 2009
  • Physics
  • Classical and Quantum Gravity
  • We argue that the natural framework for embedding the ideas of deformed, or doubly, special relativity (DSR) into a curved spacetime is a generalization of Einstein–Cartan theory, considered by Stelle and West. Instead of interpreting the noncommuting 'spacetime coordinates' of the Snyder algebra as endowing spacetime with a fundamentally noncommutative structure, we are led to consider a connection with torsion in this framework. This may lead to the usual ambiguities in minimal coupling. We… CONTINUE READING
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