Scientists discover two superconducting states hiding as one

T2Covered by 1 source · first reported by Phys.org / ScienceDaily (tech) at 31 Aug, 13:29 UTC

Scientists have uncovered hidden complexity inside two ultrathin superconductors that seemed much simpler than they really are. Niobium diselenide and tantalum disulfide appeared to have a single superconducting state, but highly sensitive measurements revealed that each actually contains two…