Strong spin-orbit interaction and g-factor renormalization of hole spins in Ge/Si nanowire quantum dots

2020/07/08 by F. N. M. Froning, M. J. Rančić, B. Hetényi +8 · 82 citations
Physics and Astronomy · #Kondo effect #Nanowire #Quantum #Quantum and electron transport phenomena #Quantum dot #Renormalization #Renormalization group #Spins #Surface and Thin Film Phenomena #Topological Materials and Phenomena #cond-mat.mes-hall #quant-ph

paper · pdf · doi:10.1103/physrevresearch.3.013081

published in Physical Review Research 3(1) (American Physical Society)

arxiv created 2020/07/08 · openalex created_date 2020/07/16 · openalex publication_date 2021/01/26 · arxiv updated 2021/01/28 · openalex updated_date 2026/08/05

Abstract

The authors use double quantum dot transport measurements to reveal the presence of a strong spin-orbit interaction in Ge/Si nanowires. They also show that this strong spin-orbit interaction gives rise to a g-factor renormalization with magnetic field.

Citations

• One-dimensional hole gas in germanium/silicon nanowire heterostructures
• Antilocalization of Coulomb Blockade in a Ge/Si Nanowire
• Spin-valley lifetimes in a silicon quantum dot with tunable valley splitting
• Majorana fermions in a tunable semiconductor device
• Dynamical spin-electric coupling in a quantum dot
• Helical Liquids and Majorana Bound States in Quantum Wires
• Spins in few-electron quantum dots
• Singlet-triplet splitting in double quantum dots due to spin-orbit and hyperfine interactions
• Control and Detection of Singlet-Triplet Mixing in a Random Nuclear Field
• Electric-field dependentg-factor anisotropy in Ge-Si core-shell nanowire quantum dots
• Superconductor–semiconductor hybrid-circuit quantum electrodynamics
• The germanium quantum information route

Cited by

• Acoustic phonons, spin-phonon coupling and spin relaxation via the lattice reorientation mechanism in hexagonal germanium nanowires
• Anisotropic spin-blockade leakage current in a Ge hole double quantum dot