Research

Flat-band and moiré systems

• Twisted bilayer graphene
• Moiré transition metal dichalcogenides
• Moiré magnets
• Many-body phenomena in flat bands

Correlated electron systems

• Quantum critical Dirac materials
• Quadratic-band-touching semimetals
• Correlation-induced topological phases
• Non-Fermi-liquid behavior

Frustrated quantum magnetism

• Heisenberg-Kitaev materials
• Quantum spin liquids and spin-orbital liquids
• Quantum phase transitions in spin-orbit-coupled magnets
• Emergent gauge fields in frustrated magnets

Fractionalization and emergent gauge theories

• Deconfined quantum criticality
• (2+1)-dimensional gauge theories
• Fermion-boson dualities
• Topological order and fractionalized excitations