Quantum Dot (IMAGE) Ruhr-University Bochum Caption Schematic representation of a charged exciton, i.e. an excited state consisting of two electrons and one hole within a quantum dot Credit RUB, Arne Ludwig Usage Restrictions The image may only be used for reporting about the Ruhr-Universität Bochum in the context of the press release "New insights into the energy levels in quantum dots", published in June 2020. 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.