Boundary S matrix of an open XXZ spin chain with nondiagonal boundary terms

Details Boundary S matrix of an open XXZ spin chain with nondiagonal boundary terms Boundary S matrix of an open XXZ spin chain with nondiagonal boundary terms

2007-11-11

arxiv.org/abs/0711.1631v3

JHEP0803:053-053,2008

Physics

High Energy Physics

High Energy Physics - Theory

18 pages, LaTeX; references and numerical results added

Scientific paper

10.1088/1126-6708/2008/03/053

Using a recently proposed solution for an open antiferromagnetic spin-1/2 XXZ quantum spin chain with N (even) spins and two arbitrary boundary parameters at roots of unity, we compute the boundary scattering amplitudes for one-hole states. We also deduce the relations between the lattice boundary parameters appearing in the spin-chain Hamiltonian and the IR (infrared) parameters that appear in the boundary sine-Gordon S matrix.

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