4.4 Article

Yukawa interactions at large charge

期刊

JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 10, 页码 -

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SPRINGER
DOI: 10.1007/JHEP10(2022)183

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Scale and Conformal Symmetries; Conformal and W Symmetry; Global Symmetries

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We extend the fixed-charge semiclassical method to compute anomalous dimensions of fixed-charge scalar operators in models with Yukawa interactions. In the weakly coupled regime, we cross-check our results with perturbation theory and predict higher order terms for future comparisons. In the strongly coupled regime, we match our results to the predictions of the large-charge effective field theory.
We extend the fixed-charge semiclassical method by computing anomalous dimensions of fixed-charge scalar operators in models with Yukawa interactions. In particular, we discuss the Nambu-Jona-Lasinio-Yukawa theory as well as an asymptotically safe gauge-Yukawa model in four dimensions. In the weakly coupled regime, we cross-check our results to the respective maximum known orders of perturbation theory in these models and predict higher order terms for future comparisons with other computational methods. In the strongly coupled regime, we match our results to the predictions of the large-charge effective field theory which can be compared to future Monte Carlo and lattice studies.

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