期刊
PHYSICAL REVIEW D
卷 101, 期 12, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.101.125007
关键词
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资金
- School of Natural Sciences Computing Staff at the Institute for Advanced Study
- Perimeter Institute for Theoretical Physics
- Government of Canada through the Department of Innovation, Science and Economic Development
- Province of Ontario through the Ministry of Research and Innovation
- National Science Foundation [PHY-1606531, PHY-1607611]
- Simons Foundation
- Sherman Fairchild Foundation
- Simons Foundation/SFARI [651444]
- LANL/LDRD Program
- U.S. Department of Energy, Office of Science, Office of High Energy Physics [DE-SC0011632]
- Walter Burke Institute for Theoretical Physics
How many charged degrees of freedom are necessary to accommodate a certain amount of 't Hooft anomaly? Using the conformal bootstrap for the four-point function of flavor current multiplets, we show that in all (3 +1)D superconformal field theories the 't Hooft anomaly of a continuous flavor symmetry is bounded from above by the 3/2 power of the current two-point function coefficient, which can be thought of as a measure for the amount of charged degrees of freedom. We check our bounds against free fields and supersymmetric quantum chromodynamics in the conformal window.
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