Researchers at KAIST have uncovered a hidden electronic state that forms before superconductivity begins, offering new insight into one of physics’ biggest mysteries. By studying a kagome metal, the team found that electrons first organize into tiny circulating loops, known as loop-current order, before forming a charge density wave and eventually entering the superconducting state, where electricity flows without resistance. The findings reveal a previously hidden sequence of electronic changes that could improve scientists’ understanding of unconventional superconductivity and guide the development of future quantum technologies, including advanced quantum computers and energy-efficient power systems.
