Journal
PHYSICAL REVIEW A
Volume 95, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.95.063617
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Funding
- Gordon and Betty Moore foundation
- Harvard University-Massachusetts Institute of Technology Center for Ultracold Atoms
- NSF [DMR-1308435]
- AFOSR Quantum Simulation Multidisciplinary University Research Initiative (MURI)
- AFOSR MURI Photonic Quantum Matter
- Humboldt Foundation
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1308435] Funding Source: National Science Foundation
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Spin-orbit coupling (SOC) is at the heart of many exotic band structures and can give rise to many-body states with topological order. Here we present a general scheme based on a combination of microwave driving and lattice shaking for the realization of two-dimensional SOC with ultracold atoms in systems with inversion symmetry. We show that the strengths of Rashba and Dresselhaus SOC can be independently tuned in a spin-dependent square lattice. More generally, our method can be used to open gaps between different spin states without breaking time-reversal symmetry. We demonstrate that this allows for the realization of topological insulators with nontrivial spin textures closely related to the Kane-Mele model.
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