Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: keyword exact "CLASSICAL R-MATRICES" Add to list Journal Article A1 open access Variational method for integrability-breaking Richardson-Gaudin models Pieter Claeys (UGent) , Jean-Sébastien Caux, Dimitri Van Neck (UGent) and Stijn De Baerdemacker (UGent) (2017) PHYSICAL REVIEW B. 96(15).