The unpaired Weyl points found in PtGa (IMAGE) City University of Hong Kong Caption The 37 unpaired Weyl points in the 3D reciprocal space of PtGa, and the Berry curvature field (analogous to magnetic field) component in the kz=0 plane. Credit Dr Ma Junzhang Usage Restrictions Image must be used with appropriate caption and credit. 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.