Covariantly constant anomalies on conformal manifolds

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Abstract
Operators with integer scaling dimensions in even-dimensional conformal field theories exhibit well-known type-B Weyl anomalies. In general, these anomalies depend nontrivially on exactly marginal couplings. We study the corresponding fully covariantized anomaly functional on conformal manifolds in several examples. We show that a natural consequence of the Wess-Zumino consistency condition is that the anomalies are covariantly constant with respect to the exactly marginal couplings. The argument is general and applies even when the conformal symmetry is spontaneously broken on moduli spaces of vacua.
Funding Information
  • Royal Society (RGF/EA/180073)
  • Stony Brook University
  • Science and Technology Facilities Council (ST/P000754/1)
  • German-Israeli Foundation for Scientific Research and Development (I-1515-303./2019)
  • University Research Fellowship (UF120032)

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