38 citations · 43 across the 2 of their papers we have counts for
2 papers
cond-mat.mes-hall2023★ 5 cited
Nodal phases in non-Hermitian wallpaper crystals
J. Lukas K. König, Felix Herber, Emil J. Bergholtz
Symmetry and non-Hermiticity play pivotal roles in photonic lattices. While symmetries such as parity-time () symmetry have attracted ample attention, more intricate…
cond-mat.mes-hall2022★ 38 cited
Braid Protected Topological Band Structures with Unpaired Exceptional Points
J. Lukas K. König, Kang Yang, Jan Carl Budich +1
We demonstrate the existence of topologically stable unpaired exceptional points (EPs), and construct simple non-Hermitian (NH) tight-binding models exemplifying such remarkable no…