Kristján R. Kristjánsson and Lárus Thorlacius JHEP01(2005)047 doi:10.1088/1126-6708/2005/01/047
Kristján R. Kristjánsson1,2 and Lárus Thorlacius1,3
Show affiliationsWe obtain exact results for correlation functions of primary operators in the two-dimensional conformal field theory of a scalar field interacting with a critical periodic boundary potential. Amplitudes involving arbitrary bulk discrete primary fields are given in terms of SU(2) rotation coefficients while boundary amplitudes involving discrete boundary fields are independent of the boundary interaction. Mixed amplitudes involving both bulk and boundary discrete fields can also be obtained explicitly. Two- and three-point boundary amplitudes involving fields at generic momentum are determined, up to multiplicative constants, by the band spectrum in the open-string sector of the theory.
E-print Number: hep-th/0412175
Cited: by |
Refers: to
11.25.Hf Conformal field theory, algebraic structures
11.10.St Bound and unstable states; Bethe-Salpeter equations
11.30.Ly Other internal and higher symmetries
11.30.Na Nonlinear and dynamical symmetries (spectrum-generating symmetries)
Issue 01 (January 2005)
Received 22 December 2004, accepted for publication 26 January 2005
Published 4 February 2005
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