Ghost Polaritons (IMAGE) Advanced Science Research Center, GC/CUNY Caption Illustration of ghost polaritons propagating away from a point source over a calcite surface. Image: credited to HUST. Credit Weiliang Ma Usage Restrictions For use in conjunction with this paper only 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.