Theory of Electric Dipole Spin Resonance in a Parabolic Quantum Well

Abstract

A theory of Electric Dipole Spin Resonance (EDSR), that is caused by various mechanisms of spin-orbit coupling, is developed as applied to free electrons in a parabolic quantum well. Choosing a parabolic shape of the well has allowed us to find explicit expressions for the EDSR intensity and its dependence on the magnetic field direction in terms of the basic parameters of the Hamiltonian. By using these expressions, we have investigated and compared the effect of specific mechanisms of spin orbit (SO) coupling and different polarizations of ac electric field on the intensity of EDSR. Angular dependences of the EDSR intensity are indicative of the relative contributions of the competing mechanisms of SO coupling. Our results show that electrical manipulating electron spins in quantum wells is generally highly efficient, especially by an in-plane ac electric field.

arXiv comment45 pages 6 figure

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• Theory of electron spin resonance in one-dimensional topological insulators with spin-orbit couplings
• Kinetics of spin coherence of electrons in $n$-type InAs quantum wells under intense terahertz laser fields
• Effective lattice model for collective modes in a Fermi liquid with spin-orbit coupling
• Parametric spin excitations in lateral quantum dots
• Collective spin modes in Fermi liquids with spin-orbit coupling
• Many-body corrections to ESR energy and spin-wave excitations in two-dimensional systems with Bychkov-Rashba spin splitting
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• Interplay of spin-orbit coupling and Zeeman splitting in the absorption lineshape of 2D fermions
• Out-of-plane equilibrium spin current in a quasi-two-dimensional electron gas under in-plane magnetic field
• Phonon-Induced Collective Modes in Spin-Orbit Coupled Polar Metals
• Synergetic effect of spin-orbit coupling and Zeeman splitting on the optical conductivity in the one-dimensional Hubbard model
• Spin-orbit pumping
• Resonant Edelstein and inverse-Edelstein effects, charge-to-spin conversion, and spin pumping from chiral-spin modes
• Zero-field spin resonance in graphene with proximity-induced spin-orbit coupling