Exploring emergent phenomena of quantum materials arising from spontaneous symmetry breaking — through theory.
Recent publications, awards, and activities from the group.
Our collaboration with Institute of Science Tokyo and the University of Tokyo was published in Physical Review Letters, selected as an Editors' Suggestion.
(Raman Optical Activity Induced by Ferroaxial Order in NiTiO3)
A collaboration with the University of Tokyo, Tohoku University, RIKEN and TMU was published in Advanced Materials.
(Evidence for Itinerant Ferromagnetic Flat Bands Producing Large Transverse Responses)
Our collaborator Tristan Ryoma Fuchs received an Excellent Poster Award at the Spring School of Computational Physics 2026. Congratulations!
A collaboration with the University of Tokyo, RIKEN and Tohoku University was published in Physical Review B.
(Quantum geometry in low-energy linear and nonlinear optical responses of the magnetic Rashba semiconductor (Ge,Mn)Te)
Our collaborator Jin Matsuda visited the group and gave a seminar on his recent work.
Work led by our collaborator Kohei Hattori was published in Physical Review Letters.
(Dirac Charge in Antiferromagnetic Topological Semimetals)
A review on altermagnets, co-authored by researchers from Japan, Czechia, Germany, the USA and China (incl. H. Watanabe), was published in Nature.
(Symmetry, microscopy and spectroscopy signatures of altermagnetism)
A collaboration with Tohoku, Osaka, JAEA and Kyoto was published in Nature Communications.
(Transport evidence of current-induced nematic Dirac valleys in a parity-time-symmetric antiferromagnet)
