Quantum geometry controls chiral fermions without magnetism

Jan 12, 2026 Study demonstrates a chiral fermionic valve that separates handedness via quantum geometry, enabling transport and interference without magnetic fields. (Nanowerk News) A collaboration between Stuart Parkin’s group at the Max Planck Institute of Microstructure Physics in Halle (Saale) and Claudia Felser’s group at the Max Planck Institute...