Spin-orbit effects in nanowire-based wurtzite semiconductor quantum dots

Abstract

We study the effect of the Dresselhaus spin-orbit interaction on the electronic states and spin relaxation rates of cylindrical quantum dots defined on quantum wires having wurtzite lattice structure. The linear and cubic contributions of the bulk Dresselhaus spin-orbit coupling are taken into account, along with the influence of a weak external magnetic field. The previously found analytic solution for the electronic states of cylindrical quantum dots with zincblende lattice structures with Rashba interaction is extended to the case of quantum dots with wurtzite lattices. For the electronic states in InAs dots, we determine the spin texture and the effective g-factor, which shows a scaling collapse when plotted as a function of an effective renormalized dot-size dependent spin-orbit coupling strength. The acoustic-phonon-induced spin relaxation rate is calculated and the transverse piezoelectric potential is shown to be the dominant one.

12 pages, 5 figures

References in corpus (13)

• Signatures of Majorana fermions in hybrid superconductor-semiconductor nanowire devices
• Spin-orbit qubit in a semiconductor nanowire
• Direct Measurement of the Spin-Orbit Interaction in a Two-Electron InAs Nanowire Quantum Dot
• Spectroscopy of spin-orbit quantum bits in indium antimonide nanowires
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• Spin orbit coupling in bulk ZnO and GaN
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• Electronic and spin properties of Rashba billiards
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• Unique Electron Spin Relaxation Induced by Confined Phonons in Nanowire-Based Quantum Dots

Cited by in corpus (8)

• Spin-orbit coupling, quantum dots, and qubits in monolayer transition metal dichalcogenides
• Persistent spin textures and currents in wurtzite nanowire-based quantum structures
• Unique Spin Vortices in Quantum Dots with Spin-orbit Couplings
• The impacts of the quantum-dot confining potential on the spin-orbit effect
• Spin relaxation in wurtzite nanowires
• Tuning the Topological Features of Quantum-Dot Hydrogen and Helium by a Magnetic Field
• Spin-relaxation time in the impurity band of wurtzite semiconductors
• Spin-relaxation anisotropy in a nanowire quantum dot with strong spin-orbit coupling