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Weyl versus conformal invariance in quantum field theory

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2];  [2]
  1. Univ. of California, Davis, CA (United States). Center for Quantum Mathematics and Physics (QMAP), Dept. of Physics; University of California, Davis
  2. Univ. of California, Davis, CA (United States). Center for Quantum Mathematics and Physics (QMAP), Dept. of Physics
We argue that conformal invariance in flat spacetime implies Weyl invariance in a general curved background metric for all unitary theories in spacetime dimensions d ≤ 10. We also study possible curvature corrections to the Weyl transformations of operators, and show that these are absent for operators of sufficiently low dimensionality and spin. We find possible ‘anomalous’ Weyl transformations proportional to the Weyl (Cotton) tensor for d > 3 (d = 3). The arguments are based on algebraic consistency conditions similar to the Wess-Zumino consistency conditions that classify possible local anomalies. The arguments can be straightforwardly extended to larger operator dimensions and higher d with additional algebraic complexity.
Research Organization:
Univ. of California, Davis, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
FG02-91ER40674
OSTI ID:
1505198
Journal Information:
Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 10 Vol. 2017; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English

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Gravitational Dressing of 3D Conformal Galileon text January 2018
Conformal invariance versus Weyl invariance text January 2019
On the Conformal Symmetry of Exceptional Scalar Theories text January 2021
A short note on dynamics and degrees of freedom in 2d classical gravity journal January 2020
Canceling the Weyl anomaly from a position-dependent coupling journal February 2018
Asymptotically Weyl-invariant gravity journal November 2019
Renormalizing spacetime journal December 2018
Renormalizing Spacetime text January 2018
Renormalizing Spacetime text January 2018
Asymptotically Weyl-Invariant Gravity text January 2019

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