Novel competing orders near the field-induced quantum critical point in URu2Si2

Abstract A comprehensive transport study in continuous magnetic fields up to 45 T reveals that URu2Si2 possesses a new field-induced quantum critical point around 38 T and multiple low temperature phases stabilized near the point. This finding suggests the existence of many competing order parameters separated by small energy difference in URu2Si2 and a crucial role of quantum fluctuation on the order in correlated electron systems.