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quant-ph2017★ 29 cited
Vortices in Bose-Einstein condensates with -symmetric gain and loss
Lukas Schwarz, Holger Cartarius, Ziad H. Musslimani +2
We investigate vortex excitations in dilute Bose-Einstein condensates in the presence of complex -symmetric potentials. These complex potentials are used to describe…
quant-ph2015★ 15 cited
Fano resonances in scattering: an alternative perspective
Lukas Schwarz, Holger Cartarius, Günter Wunner +2
In a previous paper it has been shown that the interference of the first and second order pole of the Green's function at an exceptional point, as well as the interference of the f…