Potential Landscape (IMAGE) Swiss Nanoscience Institute, University of Basel Caption Artistic illustration of the potential landscape defined by voltages applied to nanostructures in order to trap single electrons in a quantum dot. Credit Department of Physics, University of Basel Usage Restrictions name University of Basel License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.