Analytic resurgence in the O(4) model
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DOI: 10.1007/jhep04(2022)043
Abstract: Abstract We study the perturbative expansion of the ground state energy in the presence of an external field coupled to a conserved charge in the integrable two-dimensional O(4) nonlinear sigma model. By solving Volin’s algebraic… read more here.
Keywords: perturbative series; resurgence; model; analytic resurgence ... See more keywords