The intense beams of X-ray light at the user facilities operated by the PSI Center for Photon Science shed light on the smallest structures of matter.
Lab News & Scientific Highlights
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Nobel Prize winner Anne L’Huillier visits SwissFEL
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Controlling magnetic waves in a spin liquid
Scientists at the Paul Scherrer Institute PSI have shown that excitation of a spin liquid with intense THz pulses causes spins to appear and align within less than a picosecond. This induced coherent state causes a magnetic field to form inside the material, which is detected using ultrashort X-ray pulses at the X-ray Free Electron Laser SwissFEL.