Coherent spin dynamics in quantum wells in quantizing magnetic field
arXiv:cond-mat/0609522 · doi:10.1103/PhysRevB.73.205335
Abstract
We investigate theoretically the coherent longitudinal and transversal spin relaxation of photoexcited electrons in quantum wells in quantized magnetic fields. We find the relaxation time for typical quantum well parameters between 100 and 1000 ps. For a realistic random potential the relaxation process depends on the electron energy and g-factor, demonstrating oscillations in the spin polarization accompanying the spin relaxation. The dependence of spin relaxation on applied field, and thus on the corresponding "magnetic" length, can be used to characterize the spatial scale of disorder in quantum wells.
13 pages, 4 figures
References in corpus (19)
- Spintronics: Fundamentals and applications
- Spin relaxation in semiconductor quantum dots
- Spin-flip transitions between Zeeman sublevels in semiconductor quantum dots
- Gate-Controlled Spin-Orbit Quantum Interference Effects in Lateral Transport
- Weak Antilocalization and Spin Precession in Quantum Wells
- High temperature gate control of quantum well spin memory
- Highly anisotropic g-factor of two-dimensional hole systems
- Optical orientation of electron spins in GaAs quantum wells
- Spin Splitting in Symmetrical SiGe Quantum Wells
- Strong magnetoresistance induced by long-range disorder
- Spin relaxations in semiconductor quantum dots
- Variational study of the nu=1 quantum Hall ferromagnet in the presence of spin-orbit interaction
- Dependence of the intrinsic spin Hall effect on spin-orbit interaction character
- Spin Relaxation in a Two-Dimensional Electron Gas in a Perpendicular Magnetic Field
- Non-vanishing spin Hall currents in disordered spin-orbit coupling systems
- From classical to quantum spintronics: Theory of coherent spin injection and spin valve phenomena
- Non-exponential spin relaxation in magnetic field in quantum wells with random spin-orbit coupling
- Magnetic field effects on spin relaxation in heterostructures
- Control of Electron Spin Coherence Using Landau Level Quantization in a Two-Dimensional Electron Gas