Schematic Illustration (IMAGE) Chinese Academy of Sciences Headquarters Caption This is a schematic illustration of the geometric phase effect arising in the H+HD reaction: the different interference of two reaction path. Credit SUN Zhigang Usage Restrictions None 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.