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UNCONVENTIONAL SUPERCONDUCTIVITY FROM A MOTT INSULATING PARENT MATERIAL

Final Report Summary - SUPERCONDUCTINGMOTT (UNCONVENTIONAL SUPERCONDUCTIVITY FROM A MOTT INSULATING PARENT MATERIAL)

Our group’s research has been instrumental in uncovering the mysterious normal ground-state electronic structure in the high temperature copper–oxide superconductors. The Fermi surface associated with density wave reconstruction revealed by our measurements in extremely high magnetic fields, has nucleated much new theoretical and experimental study relating to the potential relevance of an underlying density wave to high temperature superconductivity. Our research has also led to the creation of a new field of Fermi surfaces in correlated insulators. Our measurements in high magnetic fields of the Kondo insulator SmB6 revealed large metal-like orbits despite the insulating electrical resistivity, uncovering novel emergent behaviour that can potentially be explained in terms of itinerant neutral low energy excitations.