chiral magnetic domain walls (IMAGE) Johannes Gutenberg Universitaet Mainz Caption Incoming circular left polarized (CL) and right polarized (CR) x-ray pulses scatter differently on chiral magnetic domain walls, leading to an asymmetry observed in the difference signal (CL-CR). Credit Ill./©: Frank Freimuth Usage Restrictions This image may only be used in connection with the press release "Ultrafast dynamics of chiral spin structures observed after optical excitation", issued by Johannes Gutenberg University Mainz on December 9, 2020. 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.