Quantum nanostructures in strongly spin-orbit coupled two-dimensional systems

Abstract

Recent progress in experimental studies of low-dimensional systems with strong spin-orbit coupling poses a question on the effect of this coupling on the energy spectrum of electrons in semiconductor nanostructures. It is shown in the paper that this effect is profound in the strong coupling limit. In circular quantum dots a soft mode develops, in strongly elongated dots electron spin becomes protected from the effects of the environment, and the lower branch of the energy spectrum of quantum wires becomes nearly flat in a wide region of the momentum space.

5 pages, 1 figure

References in corpus (9)

• Majorana Fermions and a Topological Phase Transition in Semiconductor-Superconductor Heterostructures
• Coherent control of a single electron spin with electric fields
• Electrically driven single electron spin resonance in a slanting Zeeman field
• Coherent spin manipulation in an exchange-only qubit
• Ideal two-dimensional electron systems with a giant Rashba-type spin splitting in real materials: surfaces of bismuth tellurohalides
• Hyperfine-mediated gate-driven electron spin resonance
• Giant ambipolar Rashba effect in a semiconductor: BiTeI
• Majorana End-States in Multi-band Microstructures with Rashba Spin-Orbit Coupling
• Theory of electric dipole spin resonance in quantum dots: Mean field theory with Gaussian fluctuations and beyond

Cited by in corpus (18)

• Controlling a Nanowire Spin-Orbit Qubit via Electric-Dipole Spin Resonance
• Proximity-induced triplet superconductivity in Rashba materials
• Conductance behavior in nanowires with spin-orbit interaction -- A numerical study
• Ab initio electronic structure and optical conductivity of bismuth tellurohalides
• Gate defined wires in HgTe quantum wells: from Majorana fermions to spintronics
• Truncated unity functional renormalization group for multiband systems with spin-orbit coupling
• Anisotropic exchange coupling in a nanowire double quantum dot with strong spin-orbit coupling
• Ultralong spin lifetimes in one-dimensional semiconductor nanowires
• Electrical operation of hole spin qubits in planar MOS silicon quantum dots
• Position and Spin Control by Dynamical Ultrastrong Spin-Orbit Coupling
• The impacts of the quantum-dot confining potential on the spin-orbit effect
• Spin-dependent phenomena in semiconductors in strong electric fields
• Functional renormalization and mean-field approach to multiband systems with spin-orbit coupling: Application to the Rashba model with attractive interaction
• Rashba-metal to Mott-insulator transition
• Spin-orbit-assisted electron pairing in 1D waveguides
• Spin-orbital effect on polariton state in traps
• Wurtzite quantum wires with strong spatial confinement: polarization anisotropies in single wire spectroscopy
• An exactly solvable model for a strongly spin-orbit-coupled nanowire quantum dot