The problematics of heavy fermions is at the heart of solid state physics issues. They are textbook examples of quantum magnetic phase transitions, which can be easily tuned by pressure, chemical doping, or magnetic field, thanks to their small characteristic energy scales, and of interplay between magnetism and superconductivity. These quantum conductors and magnets can be investigated using a wide range of experimental techniques. High magnetic fields have a huge potential for their study since they can induce quantum phase transitions to new magnetic states, sometimes to reentrant superconductivity, and they allow to probe the properties of the Fermi surface.
Heavy fermions can be studied at the LNCMI-Toulouse using electrical transport, magnetization, magnetostriction, TDO (contactless transport) in magnetic fields up to 80 teslas and temperatures down to 50-100 millikelvin.
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