Role of Orbital Dynamics in Spin Relaxation and Weak Antilocalization in Quantum Dots
Role of Orbital Dynamics in Spin Relaxation and Weak Antilocalization in Quantum Dots
We develop a semiclassical theory for spin-dependent quantum transport to describe weak (anti)localization in quantum dots with spin-orbit coupling. This allows us to distinguish different types of spin relaxation in systems with chaotic, regular, and diffusive orbital classical dynamics. We find, in particular, that for typical Rashba spin-orbit coupling strengths, …