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49 papers
Feasibility study of continuous electronic Pomeranchuk cooling with a flavor-degenerate Wigner crystal
Robin J. Dolleman, Ammon Fischer, Lennart Klebl +5
Achieving sub-millikelvin electron temperatures in nanoelectronic devices could unveil new transport phenomena, extend quantum coherence times, and enhance the precision of quantum…
Identifying Electronic Doorway States in the Secondary Electron Emission from Layered Materials
Anna Niggas, Maosheng Hao, Peter Richter +11
We investigate the secondary low-energy electron emission induced by inelastic electron scattering from graphene and layered materials thereof. By applying a coincidence detection…
Strain fingerprinting of exciton valley character
Abhijeet Kumar, Denis Yagodkin, Roberto Rosati +13
Momentum-indirect excitons composed of electrons and holes in different valleys define optoelectronic properties of many semiconductors, but are challenging to detect due to their…
Stability of destructive interference antiresonances in electron transport through graphene nanostructures
A. Valli, T. Fabian, F. Libisch +1
We investigate the stability of destructive quantum interference (DQI) in electron transport through graphene nanostructures connected to source and drain electrodes. The fingerpri…
Mapping quantum Hall edge states in graphene by scanning tunneling microscopy
T. Johnsen, C. Schattauer, S. Samaddar +7
Quantum Hall edge states are the paradigmatic example of the bulk-boundary correspondence. They are prone to intricate reconstructions calling for their detailed investigation at h…
Strain control of hybridization between dark and localized excitons in a 2D semiconductor
Pablo Hernández López, Sebastian Heeg, Christoph Schattauer +8
Mechanical strain is a powerful tuning knob for excitons, Coulomb-bound electron-hole complexes dominating optical properties of two-dimensional semiconductors. While the strain re…