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Title:
The Large Charge Expansion for Non-Relativistic CFTs
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Abstract:
We extend the large charge expansion to theories with Schrödinger symmetry. These theories describe critical points of systems that are non-relativistic, such as the unitary Fermi gas, and admit a state-operator correspondence relating charged operators to states in a harmonic potential. We consider systems with a superfluid ground state at large charge in two and three spatial dimensions. Using the theory of the Goldstone, we compute the dimensions of operators and correlation functions as a series in both large charge and angular momentum.
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