Spin state mixing in InAs double quantum dots

Abstract

We quantify the contributions of hyperfine and spin-orbit mediated singlet-triplet mixing in weakly coupled InAs quantum dots by electron transport spectroscopy in the Pauli spin blockade regime. In contrast to double dots in GaAs, the spin-orbit coupling is found to be more than two orders of magnitudes larger than the hyperfine mixing energy. It is already effective at magnetic fields of a few mT, where deviations from hyperfine mixing are observed.

5 pages, 4 figures

References in corpus (23)

• Quantum Computation with Quantum Dots
• Electron transport through double quantum dots
• Coupled quantum dots as quantum gates
• Electron spin relaxation by nuclei in semiconductor quantum dots
• Electron spin decoherence in quantum dots due to interaction with nuclei
• Control and Detection of Singlet-Triplet Mixing in a Random Nuclear Field
• Triplet-Singlet Spin Relaxation via Nuclei in a Double Quantum Dot
• Spin-flip transitions between Zeeman sublevels in semiconductor quantum dots
• Phonon-induced decay of the electron spin in quantum dots
• Hyperfine interaction in a quantum dot: Non-Markovian electron spin dynamics
• Electric Dipole Induced Spin Resonance in Quantum Dots
• Direct Measurement of the Spin-Orbit Interaction in a Two-Electron InAs Nanowire Quantum Dot
• Nuclear spin induced oscillatory current in spin-blocked quantum dots
• Electric Dipole Spin Resonance for Heavy Holes in Quantum Dots
• Nucleus-mediated spin-flip transitions in GaAs quantum dots
• Spin-Orbit Mediated Control of Spin Qubits
• Suppression of spin relaxation in an InAs nanowire double quantum dot
• Experimental signature of phonon-mediated spin relaxation
• Electron Transport in Double Quantum Dot governed by Nuclear Magnetic Field
• Top-gate defined double quantum dots in InAs nanowires
• Electrical pump-and-probe study of spin singlet-triplet relaxation in a quantum dot
• Pauli spin blockade in cotunneling transport through a double quantum dot
• Spin relaxation in a two-electron quantum dot

Cited by in corpus (49)

• Spin-orbit qubit in a semiconductor nanowire
• Spectroscopy of spin-orbit quantum bits in indium antimonide nanowires
• Fast spin-orbit qubit in an indium antimonide nanowire
• Field Tuning the G-Factor in InAs Nanowire Double Quantum Dots
• Electron counting in quantum dots
• Pauli Spin Blockade in the Presence of Strong Spin-Orbit Coupling
• Disentangling the effects of spin-orbit and hyperfine interactions on spin blockade
• The effect of spin-orbit interaction on entanglement of two-qubit Heisenberg XYZ systems in an inhomogeneous magnetic field
• Hole Spin Mixing in InAs Quantum Dot Molecules
• Graphene quantum dots for valley-based quantum computing: A feasibility study
• Coherent Electron-Phonon Coupling in Tailored Quantum Systems
• Silicon quantum dot devices with a self-aligned second gate layer
• Self-aligned charge read-out for InAs nanowire quantum dots
• Magnetic Field Evolution of Spin Blockade in Ge/Si Nanowire Double Quantum Dots
• Landau-Zener-Stuckelberg-Majorana interferometry of a single hole
• Tuning of the spin-orbit interaction in a quantum dot by an in-plane magnetic field
• Anisotropic Pauli spin-blockade effect and spin-orbit interaction field in an InAs nanowire double quantum dot
• Spin polarization anisotropy in a narrow spin-orbit-coupled nanowire quantum dot
• Nuclear Dynamics During Landau-Zener Singlet-Triplet Transitions in Double Quantum Dots
• Coherent transport in a linear triple quantum dot made from a pure-phase InAs nanowire
• Measurements of the spin-orbit interaction and Landé g factor in a pure-phase InAs nanowire double quantum dot in the Pauli spin-blockade regime
• Control of the Two-Electron Exchange Interaction in a Nanowire Double Quantum Dot
• Spin-orbit coupling and electric-dipole spin resonance in a nanowire double quantum dot
• Electrical current and coupled electron-nuclear spin dynamics in double quantum dots
• Spin Manipulation and Relaxation in Spin-Orbit Qubits
• Highly tunable quadruple quantum dot in a narrow bandgap semiconductor InAs nanowire
• Electrical control of spins and giant g-factors in ring-like coupled quantum dots
• Tuning the two-electron hybridization and spin states in parallel-coupled InAs quantum dots
• Dynamics of coupled spins in quantum dots with strong spin-orbit interaction
• Variable and orbital-dependent spin-orbit field orientations in a InSb double quantum dot characterized via dispersive gate sensing
• Few-electron Single and Double Quantum Dots in an InAs Two-Dimensional Electron Gas
• Gate tunable parallel double quantum dot in InAs double-nanowire junctions
• Singlet-triplet avoided crossings and effective $g$ factor versus spatial orientation of spin-orbit-coupled quantum dots
• Line Shapes of Electric Dipole Spin Resonance in Pauli Spin Blockade
• Time dependent configuration interaction simulations of spin swap in spin orbit coupled double quantum dots
• Coupling of bonding and antibonding electron orbitals in double quantum dots by spin-orbit interaction
• Quantum Dot Spin Filter in Resonant Tunneling and Kondo Regimes
• Spin-orbit enabled quantum transport channels in a two-hole double quantum dot
• Spectroscopy and level detuning of few-electron spin states in parallel InAs quantum dots
• Spontaneous and resonant lifting of the spin blockade in nanowire quantum dots
• Detection of charge states of an InAs nanowire triple quantum dot with an integrated nanowire charge sensor
• Precision control of charge coherence in parallel double dot systems through spin-orbit interaction
• Magnetic field induced effects in the high source-drain bias current of weakly coupled vertical quantum dot molecules
• Self-Quenching of Nuclear Spin Dynamics in Central Spin Problem
• Gate control, g-factors and spin orbit energy of p-type GaSb nanowire quantum dot devices
• Spin-relaxation anisotropy in a nanowire quantum dot with strong spin-orbit coupling
• Single Spin Detection with a Carbon Nanotube Double Quantum Dot
• Single-electron shell occupation and effective $g$-factor in few-electron nanowire quantum dots
• Charge detection of a quantum dot under different tunneling barrier symmetries and bias voltages