Double-finger-gate controlled spin-resolved resonant quantum transport in the presence of a Rashba-Zeeman gap

Abstract

We investigate double finger gate (DFG) controlled spin-resolved resonant transport properties in an n-type quantum channel with a Rashba-Zeeman (RZ) subband energy gap. By appropriately tuning the DFG in the strong Rashba coupling regime, resonant state structures in conductance can be found that is sensitive to the length of the DFG system. Furthermore, a hole-like bound state feature below the RZ gap and an electron-like quasi-bound state feature at the threshold of the upper spin branch can be found that is insensitive to the length of the DFG system.

8 pages, 7 figures

References in corpus (5)

• Measurement of Rashba and Dresselhaus spin-orbit magnetic fields
• Effect of gate-driven spin resonance on the conductance of a one-dimensional quantum wire
• Zeeman ratchets: pure spin current generation in mesoscopic conductors with non-uniform magnetic fields
• Finger-gate manipulated quantum transport in a semiconductor narrow constriction with spin-orbit interactions and Zeeman effect
• Spin-Orbit Qubit on a Multiferroic Insulator in a Superconducting Resonator

Cited by in corpus (2)

• Transport signatures of top-gate bound states with strong Rashba-Zeeman effect
• Single and double finger-gate controlled spin electronic transport with an in-plane magnetic field