Giant Vortices and the Regge Limit

Abstract

In recent years it has been shown that strongly coupled systems become analytically tractable in the regime of large quantum numbers, such as large spin or large charge. The effective theories that emerge in these two limits are Regge theory and superfluid theory, respectively. Here we make a proposal for a new phase, the ``giant vortex,'' describing an intermediate regime with large spin and charge. The new phase connects superfluid theory with the large-spin expansion. The giant vortex admits a semi-classical effective theory description with peculiar chiral excitations (moving at the speed of light) and a Fock space of states that is reminiscent of the multi-twist operators in Regge theory, including the leading and daughter Regge trajectories. A similar giant vortex phase appears for Bose-Einstein condensates in a rotating trap, and our results should be applicable in that context as well. We show that the transition from the giant vortex to the Regge regime is accompanied by the scaling dimension turning from being larger than to being smaller than the mean field theory value, i.e. gravity switches from being the weakest force at small AdS distance to being the strongest force at large AdS distance.

23 pages + appendices, 3 figures, v2 references added, small corrections v3 minor edits, journal version

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Cited by in corpus (7)

• Generating functions and large-charge expansion of integrated correlators in $\mathcal{N}=4$ supersymmetric Yang-Mills theory
• Self-Binding Energies in AdS
• Numerical tests of the large charge expansion
• A counterexample to the CFT convexity conjecture
• Newton vs. Coulomb in AdS/CFT and the Weak Gravity Conjecture
• Large charge operators at large spin from relativistically rotating vortices
• Higher-form anomalies and state-operator correspondence beyond conformal invariance