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- Centre National de la Recherche ScientifiqueFR19 papers
- GSI Helmholtz Centre for Heavy Ion ResearchDE18 papers
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- Max Planck Institute for Nuclear PhysicsDE16 papers
- Johannes Gutenberg University MainzDE15 papers
- Universitätsmedizin GreifswaldDE15 papers
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- Friedrich-Alexander-Universität Erlangen-NürnbergDE12 papers
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15 papers · 1 filter
Tunable valley filtering in dynamically strained - lattices
Alexander Filusch, Holger Fehske
Mechanical deformations in - lattices induce local pseudomagnetic fields of opposite directionality for different valleys. When this strain is equipped with a dyn…
Immutable quantized transport in Floquet chains
Bastian Höckendorf, Andreas Alvermann, Holger Fehske
We show how quantized transport can be realized in Floquet chains through encapsulation of a chiral or helical shift. The resulting transport is immutable rather than topological i…
Valley filtering in strain-induced - quantum dots
Alexander Filusch, Alan R. Bishop, Avadh Saxena +2
We test the valley-filtering capabilities of a quantum dot inscribed by locally straining an - lattice. Specifically, we consider an out-of-plane Gaussian bump in…
Generation of current vortex by spin current in Rashba systems
Florian Lange, Satoshi Ejima, Junji Fujimoto +4
Employing unbiased large-scale time-dependent density-matrix renormalization-group simulations, we demonstrate the generation of a charge-current vortex via spin injection in the R…
Controlling the direction of topological transport in a non-Hermitian time-reversal symmetric Floquet ladder
Bastian Höckendorf, Andreas Alvermann, Holger Fehske
We propose a one-dimensional Floquet ladder that possesses two distinct topological transport channels with opposite directionality. The transport channels occur due to a $\mathbb…
Electronic Properties of Quantum Dots in Magnetic Fields
Alexander Filusch, Holger Fehske
We address the electronic properties of quantum dots in the two-dimensional lattice when subjected to a perpendicular magnetic field. Implementing an infinite mas…