My research explores the intersection of symmetry, topology, and quantum materials through first-principles calculations and single-particle theory. Key contributions include:

• Complete symmetry-based indicator theory for all 230 space groups, enabling systematic classification of band topologies.
• Built the first topological electronic materials database via high-throughput calculations, revealing that 24% of nonmagnetic materials are topological.
• Developed theory for topological phonons and predicted related materials, e.g., double-Weyl (FeSi), quadruple-Weyl (BaPtGe), and PT-protected nodal-line (MoB₂) phonons, all experimentally confirmed.

My current research focuses on chiral phonons and Floquet phonons, where I have extended chiral phonon studies to 3D chiral crystals, investigated connections between Weyl phonons and chiral phonons, and collaborated to experimentally confirm truly chiral phonons in Te and α-HgS. At ISSP, I look forward to advancing these topics with Prof. Oka's group, particularly exploring non-equilibrium phonon dynamics and topological phonon phenomena.