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Breather boundary form factors in sine-Gordon theory

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arxiv 1106.1902 v1 pith:EY2WYSR7 submitted 2011-06-09 hep-th cond-mat.other

M. Lencses , G. Takacs This is my paper
classification hep-thcond-mat.other
keywords boundaryfactorsformmodelnumericalsine-gordonsinh-gordontheory
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A previously conjectured set of exact form factors of boundary exponential operators in the sinh-Gordon model is tested against numerical results from boundary truncated conformal space approach in boundary sine-Gordon theory, related by analytic continuation to sinh-Gordon model. We find that the numerical data strongly support the validity of the form factors themselves; however, we also report a discrepancy in the case of diagonal matrix elements, which remains unresolved for the time being.

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