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RKKY interaction in carbon nanotubes and graphene nanoribbons
Jelena Klinovaja, Daniel Loss
We study Rudermann-Kittel-Kasuya-Yosida (RKKY) interaction in carbon nanotubes (CNTs) and graphene nanoribbons in the presence of spin orbit interactions and magnetic fields. For t…
Giant spin orbit interaction due to rotating magnetic fields in graphene nanoribbons
Jelena Klinovaja, Daniel Loss
We theoretically study graphene nanoribbons in the presence of spatially varying magnetic fields produced e.g. by nanomagnets. We show both analytically and numerically that an exc…
Helical States in Curved Bilayer Graphene
Jelena Klinovaja, Gerson J. Ferreira, Daniel Loss
We study spin effects of quantum wires formed in bilayer graphene by electrostatic confinement. With a proper choice of the confinement direction, we show that in the presence of m…
Transition from fractional to Majorana fermions in Rashba nanowires
Jelena Klinovaja, Peter Stano, Daniel Loss
We study hybrid superconducting-semiconducting nanowires in the presence of Rashba spin-orbit interaction as well as helical magnetic fields. We show that the interplay between the…
Towards a realistic transport modeling in a superconducting nanowire with Majorana fermions
Diego Rainis, Luka Trifunovic, Jelena Klinovaja +1
Motivated by recent experiments searching for Majorana fermions (MFs) in hybrid semiconducting-superconducting nanostructures, we consider a realistic tight-binding model and analy…
Exchange-based CNOT gates for singlet-triplet qubits with spin orbit interaction
Jelena Klinovaja, Dimitrije Stepanenko, Bertrand I. Halperin +1
We propose a scheme for implementing the CNOT gate over qubits encoded in a pair of electron spins in a double quantum dot. The scheme is based on exchange and spin orbit interacti…