Magnetic Properties of Quantum Rings in the Presence of Spin-Orbit and Electron-Electron Interactions
DOI:
https://doi.org/10.15407/ujpe58.09.0888Keywords:
Kohn–Sham, qubit, Hartree–Fock, Broyden, Rashba, quantum dots, spin-orbit splittingAbstract
The separate and combined influences of the spin-orbit and electron-electron interactions on the electron magnetization in quantum rings have been studied theoretically on the basis of the spin-density-functional theory and the Kohn–Sham equation used for the calculation of electron states in two-dimensional parabolic quantum rings containing from two to six electrons. The magnetization of electrons in a quantum ring is calculated at zero temperature. The revealed
abrupt changes in the ring magnetization are associated with the crossing of electron states that occurs if the spin-orbit and/or electron-electron interactions are taken into consideration.
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