Coalescence of two exceptional points in the anti-hermitian 3-level pairing model
arXiv:0811.4051 · doi:10.1142/S0218301309014238
Abstract
The formation of a higher-order singularity by the coalescence of two exceptional points is studied in the anti-hermitian limit of the complex-extended 3-level Richardson-Gaudin model.
5 pages, 3 figures Franco-Japanese Symposium on New Paradigms in Nuclear Physics, September 29th to October 2nd, 2008, Paris