Magnetic quantum oscillations have been unexpectedly observed in insulators, where freely moving charge carriers are not expected to exist. A joint study by researchers from Tokyo University of Science, The University of Tokyo and Kobe University investigated this puzzling behavior in the Kondo ...
Source: [Phys.org](https://phys.org/news/2026-06-quantum-oscillations-kondo-insulator-ytterbium.html)