80 citations · 145 across the 6 of their papers we have counts for
6 papers
A tunable macroscopic quantum system based on two fractional vortices
D. M. Heim, K. Vogel, W. P. Schleich +3
We propose a tunable macroscopic quantum system based on two fractional vortices. Our analysis shows that two coupled fractional vortices pinned at two artificially created κ disco…
Theory of fractional vortex escape in a 0-kappa long Josephson junction
K. Vogel, T. Kato, W. P. Schleich +3
We consider a fractional Josephson vortex in an infinitely long 0-kappa Josephson junction. A uniform bias current applied to the junction exerts a Lorentz force acting on a vortex…
Quantum tunneling of a single semifluxon in a 0-pi Josephson junction
E. Goldobin, K. Vogel, W. P. Schleich +2
We consider a symmetric 0-pi Josephson junction of length , which classically can be in one of two degenerate ground states up or down, corresponding to supercurrents circulatin…
Quantum tunneling of semifluxons
E. Goldobin, K. Vogel, O. Crasser +4
We consider a system of two semifluxons of opposite polarity in a 0-pi-0 long Josephson junction, which classically can be in one of two degenerate states: up-down or down-up. When…
Dynamics of laser-induced lattice formation in Bose-Einstein condensates
M. Kalinski, I. E. Mazets, G. Kurizki +3
We present variational and numerical solutions of the generalized Gross--Pitaevskii equation for an atomic Bose--Einstein condensate with time-dependent, laser-induced dipole-dipol…
Generic model of an atom laser
B. Kneer, T. Wong, K. Vogel +2
We present a generic model of an atom laser by including a pump and loss term in the Gross-Pitaevskii equation. We show that there exists a threshold for the pump above which the m…