Artist's view of a quasiparticle, (IMAGE) University of Bonn Caption composed of localized and mobile electrons, here broken up by an ultrashort light pulse. Credit Image: University of Bonn Usage Restrictions This image may be used together with the press release. License Original 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.