Rashba realization: Raman with RF

Abstract

We theoretically explore a Rashba spin-orbit coupling scheme which operates entirely in the absolute ground state manifold of an alkali atom, thereby minimizing all inelastic processes. An energy gap between ground eigenstates of the proposed coupling can be continuously opened or closed by modifying laser polarizations. Our technique uses far-detuned "Raman" laser coupling to create the Rashba potential, which has the benefit of low spontaneous emission rates. At these detunings, the Raman matrix elements that link $m_F$ magnetic sublevel quantum numbers separated by two are also suppressed. These matrix elements are necessary to produce the Rashba Hamiltonian within a single total angular momentum $f$ manifold. However, the far-detuned Raman couplings can link the three XYZ states familiar to quantum chemistry, which possess the necessary connectivity to realize the Rashba potential. We show that these XYZ states are essentially the hyperfine spin eigenstates of ${}^{87}\text{Rb}$ dressed by a strong radio-frequency magnetic field.

17 pages (main text), 3 pages (appendix), 5 figures (main text), 2 figures (appendix)

References in corpus (8)

• Spin-Injection Spectroscopy of a Spin-Orbit Coupled Fermi Gas
• Non-Abelian gauge potentials for ultra-cold atoms with degenerate dark states
• Experimental realization of a two-dimensional synthetic spin-orbit coupling in ultracold Fermi gases
• Spin-orbit coupled Bose-Einstein condensates
• Spin Hall effect and Berry phase in two dimensional electron gas
• Generalized Rashba spin-orbit coupling for cold atoms
• Composite fermion state of spin-orbit coupled bosons
• Spin-dependent inelastic collisions in spin-2 Bose-Einstein condensates

Cited by in corpus (22)

• Experimental observation of a topological band gap opening in ultracold Fermi gases with two-dimensional spin-orbit coupling
• Realization of a fractional period adiabatic superlattice
• Synthetic clock transitions via continuous dynamical decoupling
• Unconventional topology with a Rashba spin-orbit coupled quantum gas
• FORTRESS: FORTRAN programs for solving coupled Gross-Pitaevskii equations for spin-orbit coupled spin-1 Bose-Einstein condensate
• Rashba spin-orbit coupling, strong interactions, and the BCS-BEC crossover in the ground state of the two-dimensional Fermi Gas
• Coherence and decoherence in the Harper-Hofstadter model
• Experimental realization of a fermionic spin-momentum lattice
• Effective triangular ladders with staggered flux from spin-orbit coupling in 1D optical lattices
• Plane and Stripe Wave Phases of a Spin-Orbit Coupled Bose-Einstein Condensate in an Optical Lattice with a Zeeman Field
• Spin exchange-induced spin-orbit coupling in a superuid mixture
• Induced interactions in the BCS-BEC crossover of two-dimensional Fermi gases with Rashba spin-orbit coupling
• Microscopic Study of the Coupled-Wire Construction and Plausible Realization in Spin-Dependent Optical Lattices
• Interplay between Rashba spin-orbit coupling and adiabatic rotation in a two-dimensional Fermi gas
• An oscillating Casimir potential between two impurities in a spin-orbit coupled Bose-Einstein condensate
• Phase space curvature in spin-orbit coupled ultracold atom systems
• Spin-orbit-coupling-induced magnetic heterostructure in the bilayer Bose-Hubbard system
• Scale-Invariant Continuous Entanglement Renormalization of a Chern Insulator
• Spin Hall mode in a trapped thermal Rashba gas
• Chiral vortex-line liquid of three-dimensional interacting Bose systems with moat dispersion
• Exact kinetic propagators for coherent state complex Langevin simulations
• Master's Thesis: Excitation Spectrum of a Weakly Interacting Spin-Orbit Coupled Bose-Einstein Condensate