Spin oscillations in transient diffusion of a spin pulse in n-type semiconductor quantum wells

Abstract

By studying the time and spatial evolution of a pulse of the spin polarization in $n$-type semiconductor quantum wells, we highlight the importance of the off-diagonal spin coherence in spin diffusion and transport. Spin oscillations and spin polarization reverse along the the direction of spin diffusion in the absence of the applied magnetic field are predicted from our investigation.

5 pages, 4 figures, accepted for publication in PRB

References in corpus (12)

• Basic obstacle for electrical spin-injection from a ferromagnetic metal into a diffusive semiconductor
• Analysis of the Transport Process Providing Spin Injection through an Fe/AlGaAs Schottky Barrier
• Spin diffusion in doped semiconductors
• Spin injection through the depletion layer: a theory of spin-polarized p-n junctions and solar cells
• High temperature spin dephasing in n-typed GaAs quantum wells
• Semiclassical Monte Carlo Model for In-Plane Transport of Spin-Polarized Electrons in III-V Heterostructures
• Spin diffusion at finite electric and magnetic fields
• Kinetic theory of spin transport in n-typed semiconductor quantum wells
• Longitudinal spin decoherence in spin diffusion in semiconductors
• Spin-dependent transport in lateral periodic magnetic modulations: a novel scheme for spin filters
• Spin-drift transport and its applications
• Spin-Polarized Electron Injection through an Fe/InAs Junction

Cited by in corpus (19)

• Spin dynamics in semiconductors
• Coherent wave-packet evolution in coupled bands
• Hot-electron effect in spin dephasing in $n$-type GaAs quantum wells
• Spin relaxation in $n$-type GaAs quantum wells from a full microscopic approach
• Anisotropic spin transport in GaAs quantum wells in the presence of competing Dresselhaus and Rashba spin-orbit-coupling strengths
• Hole spin dephasing in $p$-type semiconductor quantum wells
• Effects of strain, electric, and magnetic fields on lateral electron spin transport in semiconductor epilayers
• Long-Lived Spin Coherence States
• Maxwell Equation for the Coupled Spin-Charge Wave Propagation
• Effect of structure anisotropy on low temperature spin dynamics in quantum wells
• Spin diffusion/transport in $n$-type GaAs quantum wells
• Diffusion and transport of spin pulses in an $n$-type semiconductor quantum well
• Spontaneous Emergence of Persistent Spin Helix from Homogeneous Spin Polarization
• Kinetics of spin coherence of electrons in $n$-type InAs quantum wells under intense terahertz laser fields
• Spin relaxation time, spin dephasing time and ensemble spin dephasing time in $n$-type GaAs quantum wells
• Non-Markovian hole spin kinetics in $p$-type GaAs quantum wells
• Radial Spin Helix in Two-Dimensional Electron Systems with Rashba Spin-Orbit Coupling
• Dynamics of Spin Relaxation near the Edge of Two-Dimensional Electron Gas
• Predicting and understanding diffusion lengths and lifetimes in solids via a many-body \textit{ab initio} method: The role of coupled dynamics