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arXiv · hep-th/9606177

Defect Lines in the Ising Model and Boundary States on Orbifolds

Masaki Oshikawa·Ian Affleck
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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.

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Masaki Oshikawa, Ian Affleck. 1996-07-05. Defect Lines in the Ising Model and Boundary States on Orbifolds. https://doi.org/10.1103/physrevlett.77.2604

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