• DOI:10.1016/J.GEOMPHYS.2019.06.017
Corpus ID: 119331951

Nonperturbative Quantum Field Theory and Noncommutative Geometry

@article{Aastrup2017NonperturbativeQF,
  title={Nonperturbative Quantum Field Theory and Noncommutative Geometry},
  author={Johannes Aastrup and J. M. Grimstrup},
  journal={arXiv: Mathematical Physics},
  year={2017}
}

Johannes Aastrup, J. M. Grimstrup

Published 2017

Mathematics, Physics

arXiv: Mathematical Physics

A general framework of non-perturbative quantum field theory on a curved background is presented. A quantum field theory is in this setting characterised by an embedding of a space of field configurations into a Hilbert space over $\mathbb{R}^\infty$. This embedding, which is only local up to a scale that we interpret as the Planck scale, coincides in the local and flat limit with the plane wave expansion known from canonical quantisation. We identify a universal Bott-Dirac operator acting in… CONTINUE READING

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