Colloquium

From solids with topology to black holes and back

Friday, 31 January 2020 02:30PM PST
Print

Colloquium

Marcel Franz
UBC

From solids with topology to black holes and back

Jan 31, 2020 at 2:30 pm in C9000

Synopsis

Inclusion of topological phenomena in condensed matter physics over the past decade ushered a revolution in this field. As a result of the new theoretical insights entire classes of materials with exotic properties have been discovered, including topological insulators, Dirac and Weyl semimetals as well as topological superconductors containing Majorana fermions. In this talk I will review these developments and discuss an intriguing connection noticed recently by Kitaev between one such topological system – the Sachdev-Ye-Kitaev model – and the horizon of a black hole. This connection furnishes a rare example of holographic duality between a solvable quantum-mechanical model and Einstein gravity, and may have simple physical realization in a tabletop experiment.