Integrability of the Heisenberg Chains with Boundary Impurities and Their Bethe Ansatz

Details Integrability of the Heisenberg Chains with Boundary Impurities and Their Bethe Ansatz Integrability of the Heisenberg Chains with Boundary Impurities and Their Bethe Ansatz

1999-10-25

arxiv.org/abs/cond-mat/9910384v1

Physics

Condensed Matter

13 pages, latex, no figures, to be appeared in J.Phys.A

Scientific paper

10.1088/0305-4470/32/44/302

In this paper, we show the integrability of spin-1/2 XXZ Heisenberg chain
with two arbitrary spin boundary Impurities. By using the fusion method, we
generalize it to the spin-1 XXZ chain. Then the eigenvalues of Hamiltonians of
these models are obtained by the means of Bethe ansatz method.

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