Journal
PHYSICAL REVIEW LETTERS
Volume 124, Issue 1, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.124.011601
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Funding
- U.K. Science & Technology Facilities Council [ST/P000258/1]
- Wolfson Fellowship from the Royal Society
- MIUR-SIR Grant Quantum Field Theories at Strong Coupling: Exact Computations and Applications [RBSI1471GJ]
- INFN Iniziativa Specifica STFI
- STFC [ST/P000258/1] Funding Source: UKRI
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Even dimensional defects and boundaries in conformal field theory support type a anomalies on their world volume. We show that the one-point functions of marginal operators, in the presence of defects and boundaries, are anomalous, and that the Wess-Zumino consistency condition relates them to the derivative of the a anomaly with respect to the marginal coupling. We also argue that the constant term F for odd dimensional surfaces can depend on marginal parameters.
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