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Near-Conformal Dynamics at Large Charge

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arxiv 1909.08642 v1 pith:4RZE6GMA submitted 2019-09-18 hep-th hep-lathep-ph

classification hep-thhep-lathep-ph
keywords near-conformaldilatondynamicslarge-chargechargedetermineinvariancelimit
verification ladder T0 review T1 audit T2 compute T3 formal
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We investigate four-dimensional near-conformal dynamics by means of the large-charge limit. We first introduce and justify the formalism in which near-conformal invariance is insured by adding a dilaton and then determine the large-charge spectrum of the theory. The dilaton can also be viewed as the radial mode of the EFT. We calculate the two-point functions of charged operators. We discover that the mass of the dilaton, parametrising the near-breaking of conformal invariance, induces a novel term that is logarithmic in the charge. One can therefore employ the large-charge limit to explore near-conformal dynamics and determine dilaton-related properties.

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Cited by 1 Pith paper

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  1. Unnuclear matter at large-charge

    nucl-th 2025-01 conditional novelty 6.0 of 10

    In the large-charge EFT of neutrons, effective-range corrections to the two-point function first appear at second order in the effective range, and the deformed theory has a narrow but usable perturbative window for Q...

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