PIRSA:21010010 Scientific Series Quantum Gravity

DOI10.48660/21010010

Series: Quantum Gravity

Bojowald, M. (2021). Physical implications of a fundamental period of time . Perimeter Institute. https://pirsa.org/21010010

Bojowald, Martin. Physical implications of a fundamental period of time . Perimeter Institute, Jan. 14, 2021, https://pirsa.org/21010010 

@misc{ pirsa_PIRSA:21010010,
  doi = {10.48660/21010010},
  url = {https://pirsa.org/21010010},
  author = {Bojowald, Martin},
  keywords = {Quantum Gravity},
  language = {en},
  title = {Physical implications of a fundamental period of time  },
  publisher = {Perimeter Institute},
  year = {2021},
  month = {jan},
  note = {PIRSA:21010010 see, \url{https://pirsa.org}}
}

Abstract

If time is described by a fundamental process rather than a coordinate, it

interacts with any physical system that evolves in time. The resulting
dynamics has recently been shown to be consistent provided the fundamental
period of the time system is sufficiently small. A strong upper bound T_C
< 10^{-33}s of the fundamental period of time, several orders of magnitude
below any direct time measurement, can be obtained from bounds on
dynamical variations of the period of a lab system evolving in time.
Possible cosmological implications will be discussed.

 

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