@article{escidoc:0249, title = {{Vortex dynamics in nonparabolic potentials}}, author = {Langner, H. H. and Kamionka, T. and Martens, M. and Weigand, M. and Adolff, C. F. and Merkt, U. and Meier, G.}, journal = {{Physical Review B}}, volume = {85}, number = {17}, year = {2012}, doi = {10.1103/PhysRevB.85.174436} }