Stoilova, N.I.; Van der Jeugt, J.
(Symmetry, Integrability and Geometry: Methods and Applications, 2011)
We study a linear spin chain which was originally introduced by Shi et al. [Phys. Rev. A 71 (2005), 032309, 5 pages], for which the coupling strength contains a parameter α and depends on the parity of the chain site. ...