Bulletin of the American Physical Society
APS March Meeting 2021
Volume 66, Number 1
Monday–Friday, March 15–19, 2021; Virtual; Time Zone: Central Daylight Time, USA
Session F36: Spin in Semiconductors for Quantum Information Science
11:30 AM–2:30 PM,
Tuesday, March 16, 2021
Sponsoring
Units:
GMAG DMP FIAP DCOMP
Chair: Gregory Fuchs, Cornell University
Abstract: F36.00011 : Nanoscale features of magnetic dopants in 2D systems with spin-orbit interaction*
1:54 PM–2:06 PM
Live
Presenter:
Adonai Rodrigues da Cruz
(Department of Applied Physics, Eindhoven University of Technology)
Authors:
Adonai Rodrigues da Cruz
(Department of Applied Physics, Eindhoven University of Technology)
Michael Flatté
(Department of Physics, University of Iowa; Department of Applied Physics, Eindhoven University of Technology)
We present a theory of magnetic dopant in a two-dimensional electron gas model with Rashba-Bychkov and Dresselhaus spin-orbit couplings. The spatial anisotropy dependency on the ratio of the strengths of the spin-orbits fields offers a possibility to locally tune spin-orbit induced features of the dopant such as spin textures and circulating current associated with the ground state of the dopant. This circulating current is dissipationless and represents an electron moving in a closed trajectory. The orbital moment associated with the circulating current could be distinguished from the spin contribution by directly measuring the dc-magnetic field it produces through nanoscale magnetometry techniques provided by NV-centers in diamond
*This project has received funding from the European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No 721394 and support from US DOE BES Award No. DE-SC0016379.
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