Defect Lines in the Ising Model and Boundary States on Orbifolds

DOI10.1103/PHYSREVLETT.77.2604zbMATH Open1042.82527arXivhep-th/9606177WikidataQ57974066 ScholiaQ57974066MaRDI QIDQ4492367

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Publication date: 16 July 2000

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Abstract: Critical phenomena in the two-dimensional Ising model with a defect line are studied using boundary conformal field theory on the $c=1$ orbifold. Novel features of the boundary states arising from the orbifold structure, including continuously varying boundary critical exponents, are elucidated. New features of the Ising defect problem are obtained including a novel universality class of defect lines and the universal boundary to bulk crossover of the spin correlation function.

Full work available at URL: https://arxiv.org/abs/hep-th/9606177

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