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Integrability of Bukhvostov-Lipatov model and ODE/IQFT correspondence

Runov, Boris


We consider Bukhvostov-Lipatov model, an integrable quantum field theory in two dimensions that arises as an approximation to O(3) NLSM. We compute its vacuum energy on a cylinder with twisted boundary conditions in weak coupling limit using renormalized perturbation theory, and in the short distance limit using conformal perturbation theory. The exact solution of this model via coordinate Bethe ansatz is provided. Two different regularizations of Bethe...[Show more]

CollectionsOpen Access Theses
Date published: 2018
Type: Thesis (PhD)
DOI: 10.25911/5d612048a4d10


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