Zahid Hasan
Princeton University, USA
Date
18 October 2023
Host
Mark Fischer
Title
Topological Quantum Matter: A New Frontier
Abstract
Topology plays a key role in describing quantum matter which has been greatly explored in recent decades [for an introduction, Rev. of Mod. Phys. 82, 3045 (2010)]. In this colloquium, I present how tuning a topological insulator featuring a Dirac fermion can be used as a platform to realize emergent Weyl fermion and “fractional” Fermi surfaces; and can lead to correlated magnetic, Chern, or many-body states. The kagome lattice which features Dirac fermions, flat bands, and van Hove singularities can serve as another platform to explore topology, superconductivity and many-body density-wave phenomena. These novel “topological quantum matter” harbor properties that may lead to the development of next-generation quantum devices.
Recording
ETH Video Portal
