Dr. Alex Greilich (IMAGE) TU Dortmund University Caption Dr. Alex Greilich works at the Condensed Matter research focus of the Department of Physics at TU Dortmund University. Credit TU Dortmund University Usage Restrictions Editorial use permitted in connection with reporting on the publication https://www.nature.com/articles/s41567-023-02351-6 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.