Spin-Boson Model for Nonlinear Optical Conductivity of Graphene

Explore the fascinating world of graphene and its nonlinear optical conductivity in this comprehensive lecture. Delve into the quantum mechanics of this two-dimensional material, starting with the electronic configuration of a single carbon atom and progressing to the hybridization of orbitals in a honeycomb lattice. Learn how graphene's unique properties make it an ideal system for teaching various aspects of quantum mechanics at the master's level. Discover the application of the spin-boson model to study optical absorption beyond the linear Drude-Kubo regime, utilizing concepts from quantum optics and non-equilibrium statistical mechanics. Examine the roles of phonons and electrons in quantum dissipation and optical absorption, and analyze graphical illustrations of spin-lattice and spin-spin relaxation rates. Gain valuable insights into the quantum richness of graphene and its potential applications in this engaging presentation by Sushanta Dattagupta from the PCS Institute for Basic Science.

Sushanta Dattagupta: Spin-boson model for nonlinear optical conductivity of graphene