JUGENE (IMAGE) Helmholtz Association Caption Researchers from Juelich, Mainz and Cologne use ultracold atoms in an optical lattice as a construction kit for electronic materials. The theoretical calculations were made on Juelich supercomputers, e.g. JUGENE. Credit Forschungszentrum Juelich Usage Restrictions Photograph may only be used for articles on Forschungszentrum Jülich. A reference copy is requested. 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.