paper

Excited states NLIE for sine-Gordon model in a strip with Dirichlet boundary conditions

arXiv:hep-th/0312176 · doi:10.1016/j.physletb.2004.04.007

Abstract

We investigate various excited states of Sine-Gordon model on a strip with Dirichlet boundary conditions on both boundaries using a Non Linear Integral Equation (NLIE) approach.

13 pages, latex (lyx generated) - v2: one formula added for more clarity - v3: few comments on boundary bound states and a plot of some scaling functions added