Excited states NLIE for sine-Gordon model in a strip with Dirichlet boundary conditions
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.
- Publication:
-
Physics Letters B
- Pub Date:
- August 2004
- DOI:
- 10.1016/j.physletb.2004.04.007
- arXiv:
- arXiv:hep-th/0312176
- Bibcode:
- 2004PhLB..595..537A
- Keywords:
-
- High Energy Physics - Theory
- E-Print:
- 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