Preparation and detection of magnetic quantum phases in optical superlattices
arXiv:0704.1413 · doi:10.1103/PhysRevLett.99.140601
Abstract
We describe a novel approach to prepare, detect and characterize magnetic quantum phases in ultra-cold spinor atoms loaded in optical superlattices. Our technique makes use of singlet-triplet spin manipulations in an array of isolated double well potentials in analogy to recently demonstrated quantum control in semiconductor quantum dots. We also discuss the many-body singlet-triplet spin dynamics arising from coherent coupling between nearest neighbor double wells and derive an effective description for such system. We use it to study the generation of complex magnetic states by adiabatic and non-equilibrium dynamics.
5 pages, 2 Figures, reference added
References in corpus (6)
- Quantum phase transition from a superfluid to a Mott insulator in a gas of ultracold atoms
- Spontaneous symmetry breaking in a quenched ferromagnetic spinor Bose condensate
- Universal adiabatic dynamics across a quantum critical point
- A lattice of double wells for manipulating pairs of cold atoms
- Formation of spatial shell structures in the superfluid to Mott insulator transition
- Sublattice addressing and spin-dependent motion of atoms in a double-well lattice
Cited by in corpus (16)
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- Quantum Non-Demolition Detection of Strongly Correlated Systems
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- Quantum Many-Body Dynamics of Coupled Double-Well Superlattices
- State-dependent, addressable subwavelength lattices with cold atoms
- Minimum instances of topological matter in an optical plaquette
- Quantum Transport of Bosonic Cold Atoms in Double Well Optical Lattices
- Adiabatic many-body state preparation and information transfer in quantum dot arrays
- Creation of resilient entangled states and a resource for measurement-based quantum computation with optical superlattices
- Entanglement Enhanced Information Transfer through Strongly Correlated Systems and its Application to Optical Lattices
- Mean-Field Analysis of Spinor Bosons in Optical Superlattices
- Preparation of two-particle total hyperfine spin singlet states via spin-changing dynamics
- Testing of spin ordering Hamiltonian with ultracold atoms in optical lattices