Spin transport in coupled spinor Bose gases
arXiv:1005.5174 · doi:10.1103/PhysRevA.82.011612
Abstract
We report direct measurements of spin transport in a trapped, partially condensed spinor Bose gas. Detailed analyses of spin flux in this out-of-equilibrium quantum gas are performed by monitoring the flow of atoms in different hyperfine spin states. The main mechanisms for motion in this system are exchange scattering and potential energy inhomogeneity, which lead to spin waves in the normal component and domain formation in the condensate. We find a large discrepancy in domain formation timescales with those predicted by potential-driven formation, indicating strong coupling of the condensate to the normal component spin wave.
References in corpus (25)
- Theory of Bose-Einstein condensation in trapped gases
- Spinor Bose Condensates in Optical Traps
- Spin domains in ground state spinor Bose-Einstein condensates
- The dynamics of component separation in a binary mixture of Bose-Einstein condensates
- Nonlinear atom interferometer surpasses classical precision limit
- Spontaneous symmetry breaking in a quenched ferromagnetic spinor Bose condensate
- Atom chip based generation of entanglement for quantum metrology
- Superconducting phases of f-electron compounds
- Phase separation of Bose-Einstein condensates
- Coherent spinor dynamics in a spin-1 Bose condensate
- Non-Equilibrium Dynamics and Superfluid Ring Excitations in Binary Bose-Einstein Condensates
- Quantum Spin Dynamics of Mode-Squeezed Luttinger Liquids in Two-Component Atomic Gases
- Spatial resolution of spin waves in an ultra-cold gas
- Evolution of a spinor condensate: coherent dynamics, dephasing and revivals
- Periodic spin textures in a degenerate F=1 Rb spinor Bose gas
- Spatially inhomogeneous phase evolution of a two-component Bose-Einstein condensate
- Internal state conversion in ultracold gases
- Internal waves and synchronized precession in a cold vapor
- Dynamics of F=1 87Rb condensates at finite temperatures
- Longitudinal spin waves in a dilute Bose gas
- Dynamics and thermodynamics in spinor quantum gases
- Coherence time of a Bose-Einstein condensate
- Normal-superfluid interaction dynamics in a spinor Bose gas
- Spin waves in a Bose Ferromagnet
- Decoherence-driven Cooling of a Degenerate Spinor Bose Gas