Richardson-Gaudin integrability in the contraction limit of the quasispin

Generalized Heine–Stieltjes and Van Vleck polynomials associated with two-level, integrable BCS models

(2012) Ian Marquette et al.   JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT

Bethe ansatz and ordinary differential equation correspondence for degenerate Gaudin models

(2012) Omar El Araby et al.   PHYSICAL REVIEW B

Heine-Stieltjes correspondence and the polynomial approach to the standard pairing problem

(2012) Xin Guan et al.   PHYSICAL REVIEW C

From one to N Cooper pairs, step by step

(2011) W.V. Pogosov et al.   PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS

Gaudin models solver based on the correspondence between Bethe ansatz and ordinary differential equations

(2011) Alexandre Faribault et al.   PHYSICAL REVIEW B

Simplified derivation of the Bethe-ansatz equations for the Dicke model

(2010) Oleksandr Tsyplyatyev et al.   PHYSICAL REVIEW B

Accuracy of BCS-based approximations for pairing in small Fermi systems

(2009) N. Sandulescu et al.   PHYSICAL REVIEW C