Eigencurve

A Sylvester equation approach for the computation of zero-group-velocity points in waveguides
Eigenvalues of parameter-dependent quadratic eigenvalue problems form eigencurves. The critical points on these curves, where the …
Bor Plestenjak, Daniel A. Kiefer, Hauke Gravenkamp
PDF Cite DOI
A Sylvester equation approach for the computation of zero-group-velocity points in waveguides