PIRSA:19120038 Conference Quantum Foundations Quantum Gravity Quantum Information

DOI10.48660/19120038

Conference/School: Indefinite Causal Structure

Smolin, L. (2019). Two views of relative locality. Perimeter Institute. https://pirsa.org/19120038

Smolin, Lee. Two views of relative locality. Perimeter Institute, Dec. 11, 2019, https://pirsa.org/19120038 

@misc{ pirsa_PIRSA:19120038,
  doi = {10.48660/19120038},
  url = {https://pirsa.org/19120038},
  author = {Smolin, Lee},
  keywords = {Quantum Foundations, Quantum Gravity, Quantum Information},
  language = {en},
  title = {Two views of relative locality},
  publisher = {Perimeter Institute},
  year = {2019},
  month = {dec},
  note = {PIRSA:19120038 see, \url{https://pirsa.org}}
}

Abstract

Relative locality is a quantum gravity phenomenon in which whether an event is local or not-and the degree of non-locality-is dependent on the position and motion of the observer, as well as on the energy of the observer’s probes. It was first discovered and studied, beginning in 2010, in a limit in which h and G both go to zero, with their ratio, which is the Planck energy-squared, and c held fixed (arXiv:1101.0931, arXiv:1103.5626). Relative locality was also found in a different, non-relativistic limit, involving quantum reference frames, in which c is taken to infinity while h and G are held fixed. I describe some of what we learned in the first studies, in the hope it might be useful to people developing the quantum reference frame approach.

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