@article{17435, author = {{Geier, M. and Freudenfeld, J. and Silva, J. T. and Umansky, V. and Reuter, Dirk and Wieck, A. D. and Brouwer, P. W. and Ludwig, S.}}, issn = {{2469-9950}}, journal = {{Physical Review B}}, title = {{{Electrostatic potential shape of gate-defined quantum point contacts}}}, doi = {{10.1103/physrevb.101.165429}}, year = {{2020}}, }