Zhang-Rice singlets (IMAGE) University of Würzburg Caption Tightly entangled Zhang-Rice singlets dancing through a sea of disordered defect states. Credit Armando Consiglio / Uni Würzburg Usage Restrictions Only in relation to this 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.