Bethe Ansatz equations and exact S matrices for the osp(M|2n) open super spin chain

Daniel Arnaudon (1) , Jean Avan (2) , Nicolas Crampé (1) , Anastasia Doikou (1) , Luc Frappat (1) , Eric Ragoucy (1)

1 LAPTH - Laboratoire d'Annecy-le-Vieux de Physique Théorique
2 LPTM - UMR 8089 - Laboratoire de Physique Théorique et Modélisation

We formulate the Bethe Ansatz equations for the open super spin chain based on the super Yangian of osp(M|2n) and with diagonal boundary conditions. We then study the bulk and boundary scattering of the osp(1|2n) open spin chain.

Mots clés: Bethe Ansatz; spin chains; Yangians; reflection equations

Domaines: Physique mathématique [math-ph]; Algèbres quantiques [math.QA]; Physique des Hautes Energies - Théorie [hep-th]

Daniel Arnaudon, Jean Avan, Nicolas Crampé, Anastasia Doikou, Luc Frappat, et al.. Bethe Ansatz equations and exact S matrices for the osp(M|2n) open super spin chain. Nuclear Physics B, 2004, B687, pp.257-278. ⟨10.1016/j.nuclphysb.2004.03.027⟩. ⟨hal-00000773v2⟩