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TT: Fachverband Tiefe Temperaturen
TT 38: Nonequilibrium Quantum Many-Body Systems II (joint session TT/DY)
TT 38.12: Talk
Wednesday, March 29, 2023, 18:00–18:15, HSZ 204
Quasi-particle excitations at Mott-metal interfaces — •Jan Verlage1, Friedemann Queisser2,3, Peter Kratzer1, and Ralf Schützhold2,3 — 1Fakultät für Physik, Universität Duisburg-Essen — 2Institut für Theoretische Physik, Helmholtz-Zentrum Dresden-Rossendorf — 3Institut für Theoretische Physik, Technische Universität Dresden
We investigate excitations at the interface between a metallic bulk and a strongly correlated Mott insulator.
Employing a hierarchy of correlations we identify effective
quasi-particle and hole excitations in the heterostructure.
To leading order in the hierarchy, the modes satisfy an effective two-component evolution equation.
This allows the investigation of evanescent modes at the interface and tunneling through a Mott insulating layer.
The project is funded by the DFG, grant # 278162697 (CRC 1242).