Spin Chaos Manifestation in a Driven Quantum Billiard with Spin-Orbit Coupling
arXiv:1308.2333 · doi:10.1103/PhysRevB.88.195407
Abstract
The coupling of orbital and spin degrees of freedom is the source of many interesting phenomena. Here, we study the electron dynamics in a quantum billiard --a mesoscopic rectangular quantum dot-- with spin-orbit coupling driven by a periodic electric field. We find that both the spatial and temporal profiles of the observables demonstrate the transition to chaotic dynamics with qualitative modifications of the power spectra and patterns of probability and spin density. The time dependence of the wavefunctions and spin density distributions indicates spin-charge separation {seen in the decay of the spin-charge density correlators}. This new spin chaos effect can be experimentally verified leading to a better understanding of the interplay between spin and spatial degrees of freedom, relevant to fundamental and applied quantum physics.
6 pages, 4 figures
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Cited by in corpus (7)
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- Electric dipole spin resonance at shallow donors in quantum wires
- Chaos in two-dimensional Kepler problem with spin-orbit coupling
- Chaotic cyclotron and Hall trajectories due to spin-orbit coupling
- Regular and irregular dynamics of Dirac-Weyl wavepackets in a mesoscopic quantum dot at the edge of topological insulator
- Hybrid quantum-classical chaotic NEMS
- Numerical analysis of the spin-orbit coupling parameters in III-V quantum wells using 8-band Kane model and finite-difference method