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Researchers in our laboratory, collaborating with the high magnetic field facility LNCMI-Grenoble, (CNRS-EMFL), present transport measurements up to 29T on the newly discovered topological superconductor UTe2. When the field is swept along the easy magnetisation axis, the thermopower exhibits successive anomalies at low temperatures, signalling Fermi surface instabilities; one of them could be clearly be identified as a field-induced Lifshitz transition.
CEA is a French government-funded technological research organisation in four main areas: low-carbon energies, defense and security, information technologies and health technologies. A prominent player in the European Research Area, it is involved in setting up collaborative projects with many partners around the world.