Spin polarization and separation in a triple-quantum-dot ring
2008
Abstract Electron transport through a triple-quantum-dot ring with three terminals is studied theoretically. By introducing the local Rashba spin–orbit interaction in an individual quantum dot, we find that an incident electron from one terminal can select a specific terminal to depart from the quantum dot ring according to its spin state. As a result, spin polarization and spin separation can be simultaneously realized in this structure.
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