期刊
PHYSICAL REVIEW A
卷 89, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.89.063628
关键词
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资金
- National Science Foundation Graduate Research Fellowship [DGE-1144153]
- National Science Foundation [PHY-1068165]
- Direct For Mathematical & Physical Scien
- Division Of Physics [1068165] Funding Source: National Science Foundation
We describe an experimental setup for imaging topologically protected Floquet edge states using ultracold bosons in an optical lattice. Our setup involves a deep two-dimensional optical lattice with a time-dependent superlattice that modulates the hopping between neighboring sites. The finite waist of the superlattice beam yields regions with different topological numbers. One can observe chiral edge states by imaging the real-space density of a bosonic packet launched from the boundary between two topologically distinct regions.
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