1 citations · 1 across the 2 of their papers we have counts for
2 papers
nlin.CD2003
Comment on ''Exceptional points and double poles of the S matrix''
C. Dembowski, B. Dietz, H. -D. Graef +4
In a recent paper [Phys. Rev. E 67, 026204 (2003)], Rotter calculates the geometric phases that are picked up by the eigenvectors of a two-state quantum system when an exceptional…
quant-ph2002★ 1 cited
Global and Local Aspects of Exceptional Point
W. D. Heiss
Exceptional points are singularities of eigenvalues and eigenvectors for complex values of, say, an interaction parameter. They occur universally and are square root branch point s…