期刊
PHYSICAL REVIEW A
卷 91, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.91.041602
关键词
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资金
- NSF through the Center for Ultracold Atoms
- Army Research Office
- DARPA OLE program
- MURI program
- Air Force Office of Scientific Research MURI program
- Gordon and Betty Moore Foundations EPiQS Initiative
- US Department of Defense through the NDSEG program
- Division Of Physics
- Direct For Mathematical & Physical Scien [1125846] Funding Source: National Science Foundation
Atom-and site-resolved experiments with ultracold atoms in optical lattices provide a powerful platform for the simulation of strongly correlated materials. In this Rapid Communication, we present a toolbox for the preparation, control, and site-resolved detection of a tunnel-coupled bilayer degenerate quantum gas. Using a collisional blockade, we engineer occupation-dependent interplane transport which enables us to circumvent light-assisted pair loss during imaging and count n = 0 to n = 3 atoms per site. We obtain the first number-and site-resolved images of the Mott insulator wedding cake structure and observe the emergence of antiferromagnetic ordering across a magnetic quantum phase transition. We are further able to employ the bilayer system for spin-resolved readout of a mixture of two hyperfine states. This work opens the door to direct detection of entanglement and Kosterlitz-Thouless-type phase dynamics, as well as studies of coupled planar quantum materials.
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