Transport, excitations, and criticality in frustrated quantum magnets (A02)

• Subject Area: Theoretical Condensed Matter Physics
• Term: since 2015
• Project identifier: Deutsche Forschungsgemeinschaft (DFG) - Project number 247310070

Using analytical and numerical methods, this project analyzes the elementary excitations of models for frustrated magnets of either conventional or fractionalized type, their contributions to thermal transport, their optical response, the effects of spin–lattice coupling, and their quantum critical properties, also in the presence of quenched disorder. Specifically, this involves the study of (i) thermal transport in doped quantum spin liquids, (ii) spin-phonon coupling and thermal Hall transport, (iii) optical spectroscopies of frustrated dimer magnets, (iv) quantum phase transitions out of spin liquids, and (v) fluctuation effects at field-driven transitions.

• DFG Programme: Collaborative Research Centres
• Subproject of: SFB 1143: Correlated Magnetism: From Frustration to Topology
• Applicant Institution: Technische Universität Dresden
• Project Heads: Professor Dr. Wolfram Brenig; Professor Dr. Matthias Vojta