First order quantum corrections to the classical reflection factor of the sinh-Gordon model

Details First order quantum corrections to the classical reflection factor of the sinh-Gordon model First order quantum corrections to the classical reflection factor of the sinh-Gordon model

2000-02-08

arxiv.org/abs/hep-th/0002065v1

Int.J.Mod.Phys. A15 (2000) 4417-4432

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, 1 figure

Scientific paper

10.1142/S0217751X00001838

The sinh-Gordon model is restricted to a half-line by boundary conditions maintaining integrability. A perturbative calculation of the reflection factor is given to one loop order in the bulk coupling and to first order in the difference of the two parameters introduced at the boundary, providing a further verification of Ghoshal's formula. The calculation is consistent with a conjecture for the general dependence of the reflection factor on the boundary parameters and the bulk coupling.

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