Spin-Orbit Coupling and Spin Textures in Optical Superlattices

Abstract

We proposed and demonstrated a new approach for realizing spin orbit coupling with ultracold atoms. We use orbital levels in a double well potential as pseudospin states. Two-photon Raman transitions between left and right wells induce spin-orbit coupling. This scheme does not require near resonant light, features adjustable interactions by shaping the double well potential, and does not depend on special properties of the atoms. A pseudospinor Bose-Einstein condensate spontaneously acquires an antiferromagnetic pseudospin texture which breaks the lattice symmetry similar to a supersolid.

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• Tools for quantum simulation with ultracold atoms in optical lattices
• Dipolar physics: A review of experiments with magnetic quantum gases
• Synthetic dimensions and spin-orbit coupling with an optical clock transition
• Spin-orbit coupled fermions in an optical lattice clock
• Observation of symmetry-protected topological band with ultracold fermions
• Spin-orbit coupled two-electron Fermi gases of ytterbium atoms
• Persistent Currents in Toroidal Dipolar Supersolids
• Type-II Weyl Points in Three-Dimensional Cold Atom Optical Lattices
• Spin-dependent Optical Superlattice
• Experimental realization of a superfluid stripe phase in a spin-orbit-coupled Bose-Einstein condensate enabled by momentum-space hopping
• Momentum-Space Josephson Effects
• Self-bound supersolid stripe phase in binary Bose-Einstein condensates
• Quantum depletion and superfluid density of a supersolid in Raman spin-orbit coupled Bose gases
• 2D spin-orbit coupling for ultracold atoms in optical lattices
• Multi-ring, stripe, and super-lattice solitons in a spin-orbit coupled spin-1 condensate
• Topological Gapless Matters in Three-dimensional Ultracold Atomic Gases
• Vortex pairs in a spin-orbit coupled Bose-Einstein condensate
• Superfluid-quasicrystal in a Bose-Einstein condensate
• Spin-orbit coupling and topological phases for ultracold atoms
• FORTRESS: FORTRAN programs for solving coupled Gross-Pitaevskii equations for spin-orbit coupled spin-1 Bose-Einstein condensate
• Exotic Vortex States with Discrete Rotational Symmetry in Atomic Fermi Gases with Spin-Orbital-Angular-Momentum Coupling
• Squeezing and overcoming the Heisenberg scaling with spin-orbit coupled quantum gases
• Dynamical preparation of stripe states in spin-orbit coupled gases
• Mesoscopic Vortex-Meissner currents in ring ladders
• Supersolid Stacks in Antidipolar Bose-Einstein Condensates
• Proximity effects in cold atom artificial graphene
• Toroidal Dipolar Supersolid with a Rotating Weak Link
• Spin-orbital-angular-momentum-coupled quantum gases
• Discrimination of Chiral and Helical Contributions to Raman Scattering of Liquid Crystals using Vortex Beams
• Beliaev Damping in Spin-$\frac{1}{2}$ Interacting Bosons with Spin-Orbit Coupling
• Symbiotic solitons in a quasi-one- and quasi-two-dimensional spin-1 condensates
• Roton-induced Bose polaron in the presence of synthetic spin-orbit coupling
• Stückelberg interferometry using spin-orbit-coupled cold atoms in an optical lattice
• Landau's criterion for an anisotropic Bose-Einstein condensate
• Tunable spin-orbit coupling and magnetic superstripe phase in a BEC
• Fine structure of the stripe phase in ring-shaped Bose-Einstein condensates with spin-orbital-angular-momentum coupling
• Majorana Doublets, Flat Bands, and Dirac Nodes in s-Wave Superfluids
• Classical linear chain behavior from dipolar droplets to supersolids
• Fulde-Ferrell-Larkin-Ovchinnikov state to topological superfluidity transition in bilayer spin-orbit coupled degenerate Fermi gas
• Quantum phases and collective excitations of a spin-orbit-coupled Bose-Einstein condensate in a one-dimensional optical lattice
• Vortex-lattice formation in a spin-orbit coupled rotating spin-1 condensate
• Ground states of a Bose-Einstein Condensate in a one-dimensional laser-assisted optical lattice
• Multiparticle interactions for ultracold atoms in optical tweezers: Cyclic ring-exchange terms
• Atom Pairing in Optical Superlattices
• Dynamics of Bose-Einstein Recondensation in Higher Bands
• Hubbard model on the kagome lattice with time-reversal invariant flux and spin-orbit coupling
• Spontaneous spatial order in two-dimensional ferromagnetic spin-orbit coupled uniform spin-1 condensate solitons
• Topological charge pumping in spin-dependent superlattices with glide symmetry
• Higher-order topological corner states induced solely by onsite potentials with mirror symmetry
• How to dress radio-frequency photons with tunable momentum
• Drag force and superfluidity in the supersolid stripe phase of a spin-orbit-coupled Bose-Einstein condensate
• Induced supersolidity in a Dy-Er mixture
• Exotic Spin Phases in Two Dimensional Spin-orbit Coupled Models: Importance of Quantum Fluctuation Effects
• Fractional topological insulator precursors in spin-orbit fermion ladders
• Unruh Effect and Takagi's Statistics Inversion in Strained Graphene
• Bose-Einstein condensate in Bloch bands with off-diagonal periodic potential
• Supersolid-like states in a two-dimensional trapped spin-orbit-coupled spin-1 condensate
• Topological spin-orbit-coupled fermions beyond rotating wave approximation
• Symmetry-enriched Bose-Einstein condensates in spin-orbit coupled bilayer system
• Synthetic spin-orbit coupling for the multispin models in optical lattices
• Larkin-Ovchinikov superfluidity in time-reversal symmetric bilayer Fermi gases
• Thermal transitions of the modulated superfluid for spin-orbit coupled correlated bosons in an optical lattice
• Chiral Raman coupling for spin-orbit coupling in ultracold atomic gases
• Spatial order in a two-dimensional spin-orbit-coupled spin-1/2 condensate: superlattice, multi-ring and stripe formation
• Quantum Spin Dynamics in a Normal Bose Gas with Spin-orbit Coupling
• An oscillating Casimir potential between two impurities in a spin-orbit coupled Bose-Einstein condensate
• Robust Weyl points in a 1D superlattice with transverse spin-orbit coupling
• Phase diagrams of tunable spin-orbit coupled Bose-Einstein condensates
• Interaction effects of pseudospin-based magnetic monopoles and kinks in a doped dipolar superlattice gas
• Roadmap to vortex nucleation below critical rotation frequency in a dipolar Bose-Einstein condensate
• Two atoms in a harmonic trap with spin-orbital-angular-momentum coupling
• Magnetic monopole induced polarons in atomic superlattices
• Vortex phases and domain walls in trapped spinor Bose-Einstein condensates with inhomogeneous spin-orbital-angular-momentum coupling
• Quasi-two-dimensional soliton in a self-repulsive spin-orbit-coupled dipolar binary condensate
• Spin-orbit coupling driven superfluid states in optical lattices at zero and finite temperatures
• Supersolid phase of a spin-orbit-coupled Bose-Einstein condensate: a perturbation approach