Twisted Covariance as a Non Invariant Restriction of the Fully Covariant DFR Model

@inproceedings{Piacitelli2009TwistedCA,
  title={Twisted Covariance as a Non Invariant Restriction of the Fully Covariant DFR Model},
  author={Gherardo Piacitelli},
  year={2009}
}
  • Gherardo Piacitelli
  • Published 2009
We discuss twisted covariance over the noncommutative spacetime algebra generated by the relations [q θ , q ν θ ] = iθ μν , where the matrix θ is treated as fixed (not a tensor), and we refrain from using the asymptotic Moyal expansion of the twists. We show that the tensor nature of θ is only hidden in the formalism: in particular if θ fulfils the DFR conditions, the twisted Lorentz covariant model of the flat quantum spacetime may be equivalently described in terms of the DFR model, if we… CONTINUE READING
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