RIXS Study of Excitations in Kitaev Honeycomb Iridates

Explore the fascinating world of Kitaev honeycomb iridates and their potential for quantum spin-liquid ground states in this 26-minute conference talk by Jungho Kim at the Erwin Schrödinger International Institute for Mathematics and Physics. Delve into the experimental challenges of finding materials dominated by Kitaev interaction and observing topological and fractionalized excitations. Learn how Resonant Inelastic X-Ray Scattering (RIXS) has become a powerful technique for investigating these materials, providing valuable insights into Kitaev quantum spin liquids and their magnetic phenomena. Examine low-energy excitations in Kitaev honeycomb iridates and how RIXS responses help constrain the parameter regime of the extended Kitaev-Heisenberg model. Discover the persistence of broad RIXS responses at high temperatures, indicating possible activated flux pair excitations. Explore attempts to obtain parallel polarization RIXS responses using scattered X-ray polarization analyzers to probe fractionalized excitations. Investigate the potential of ultrafast engineering to bridge the gap between ideal Kitaev honeycomb lattices and real materials. Gain insights into early results from ultrafast pump-probe RIXS experiments at X-ray free electron laser facilities. Conclude with a discussion on the upgraded Advanced Photon Source and its potential for advancing RIXS studies of Kitaev honeycomb iridates.

Jungho Kim - RIXS Study of Excitations in Kitaev Honeycomb Iridates