Kavli Affiliate: Simeon Hellerman
| First 5 Authors: Matthew Dodelson, Simeon Hellerman, Masataka Watanabe, Masahito Yamazaki,
| Summary:
It is shown that integrability is an accidental property of generic
two-dimensional $O(2)$-symmetric asymptotically-free theories in the regime
where the charge density is much larger than the dynamical scale. We show this
by constructing an infinite tower of higher-spin conserved currents in the most
generic effective Lagrangian at large chemical potential to all orders in
perturbative expansion in the renormalization-group invariant coupling
constant.
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