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Integer and Fractional Quantum Anomalous Hall Effect in a Strip of Stripes Model
Jelena Klinovaja, Yaroslav Tserkovnyak, Daniel Loss
We study the quantum anomalous Hall effect in a strip of stripes model coupled to a magnetic texture with zero total magnetization and in the presence of strong electron-electron i…
Majorana Fermions in Ge/Si Hole Nanowires
Franziska Maier, Jelena Klinovaja, Daniel Loss
We consider Ge/Si core/shell nanowires with hole states coupled to an -wave superconductor in the presence of electric and magnetic fields. We employ a microscopic model that ta…
Fast Long-Distance Control of Spin Qubits by Photon Assisted Cotunneling
Peter Stano, Jelena Klinovaja, Floris R. Braakman +2
We investigate theoretically the long-distance coupling and spin exchange in an array of quantum dot spin qubits in the presence of microwaves. We find that photon assisted cotunne…
Fermionic and Majorana Bound States in Hybrid Nanowires with Non-Uniform Spin-Orbit Interaction
Jelena Klinovaja, Daniel Loss
We study intragap bound states in the topological phase of a Rashba nanowire in the presence of a magnetic field and with non-uniform spin orbit interaction (SOI) and proximity-ind…
Helical nuclear spin order in a strip of stripes in the Quantum Hall regime
Tobias Meng, Peter Stano, Jelena Klinovaja +1
We investigate nuclear spin effects in a two-dimensional electron gas in the quantum Hall regime modeled by a weakly coupled array of interacting quantum wires. We show that the pr…
Quantum Spin Hall Effect in Strip of Stripes Model
Jelena Klinovaja, Yaroslav Tserkovnyak
We consider quantum spin Hall effect in an anisotropic strip of stripes and address both integer and fractional filling factors. The first model is based on a gradient of spin-orbi…