The integrable open XXZ chain with broken Z_2 symmetry

Details The integrable open XXZ chain with broken Z_2 symmetry The integrable open XXZ chain with broken Z_2 symmetry

1998-11-12

arxiv.org/abs/cond-mat/9811165v1

Proceedings of the 22nd International Colloquium on Group Theoretical Methods in Physics, eds S.~P. Corney et al, Internationa

Physics

Condensed Matter

Statistical Mechanics

5 pages, talk given at the 22nd International Colloqium for Group Theoretical Methods in Physics, Hobart, July 1998

Scientific paper

The hamiltonian of an asymmetric diffusion process with injection and ejection of particles at the ends of a chain of finite length is known to be relevant to that of the spin-1/2 XXZ chain with integrable boundary terms. However, the inclusion of boundary sources and sinks of particles breaks the arrow-reversal symmetry necessary for solution via the usual Bethe Ansatz approach. Developments in solving the model in the absence of arrow-reversal symmetry are discussed.

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