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Anharmonic multiphonon origin of the valence plasmon in SrTi1-xNbxO3
Caitlin S. Kengle, Samantha I. Rubeck, Melinda Rak +10
Doped SrTi1-xNbxO3 exhibits superconductivity and a mid-infrared optical response reminiscent of copper-oxide superconductors. Strangely, its plasma frequency, omega_p, increases b…
Witnessing Light-Driven Entanglement using Time-Resolved Resonant Inelastic X-Ray Scattering
Jordyn Hales, Utkarsh Bajpai, Tongtong Liu +4
Characterizing and controlling entanglement in quantum materials is crucial for the development of next-generation quantum technologies. However, defining a quantifiable figure of…
Witnessing nonequilibrium entanglement dynamics in a strongly correlated fermionic chain
Denitsa R. Baykusheva, Mona H. Kalthoff, Damian Hofmann +4
Many-body entanglement in condensed matter systems can be diagnosed from equilibrium response functions through the use of entanglement witnesses and operator-specific quantum boun…