31/08/2026 - 14h00 to 16h00
College 3 Seminar | BaCo₂(AsO₄)₂: Strong Kitaev, After All
General ILL seminar organised by College 3Seminar room 110-111, ILL 50, 1st floorZoom link: https://ill.zoom.us/j/94822992547?pwd=STd44Z3otZU5k1DXbwobbeLtQPJJq2.1Password: SeminarC4“BaCo₂(AsO₄)₂: Strong Kitaev, After All”Sasha ChernyshevUniversity of California, Irvine, USABaCo₂(AsO₄)₂ - a magnetic compound first studied some 50 years ago—has long been a mystery. Its spectrum is incompatible with the theory that this material was supposed to verify, and its magnetic order is discrepant and easily destroyed by an exceptionally low magnetic field. All these traits have perplexed theorists and e…