63 citations · 87 across the 2 of their papers we have counts for
2 papers
cond-mat.str-el2001★ 63 cited
Algebraic Bethe Ansatz for a discrete-state BCS pairing model
Jan von Delft, R. Poghossian
We show in detail how Richardson's exact solution of a discrete-state BCS (DBCS) model can be recovered as a special case of an algebraic Bethe Ansatz solution of the inhomogeneous…
hep-th2000★ 24 cited
Integrable Chain Model with Additional Staggered Model Parameter
D. Arnaudon, R. Poghossian, A. Sedrakyan +1
The generalization of the Yang-Baxter equations (YBE) in the presence of Z_2 grading along both chain and time directions is presented. The XXZ model with staggered disposition alo…