期刊
NATURE PHYSICS
卷 17, 期 12, 页码 1316-1323出版社
NATURE PORTFOLIO
DOI: 10.1038/s41567-021-01370-5
关键词
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资金
- National Science Foundation [DMR-1607277, PHY-1912154]
- David and Lucile Packard Foundation [2016-65128]
- AFOSR Young Investigator Research Program [FA9550-16-1-0269]
- European Union [817482]
- European Research Council (ERC) [678580]
- Deutsche Forschungsgemeinschaft (SPP 1929 - GiRyd)
- Alfried Krupp von Bohlen und Halbach Foundation
- European Research Council (ERC) [678580] Funding Source: European Research Council (ERC)
Ultracold gases provide an ideal platform for studying many-body systems, with recent advances in quantum gas microscopy allowing for probing of collective quantum phenomena with single-site resolution. Versatile detection methods based on atom-light interactions enable tailored detection processes, including time-of-flight measurements and high-intensity absorption imaging. Quantum gas microscopes have not only revolutionized detection but also enabled control of lattice gases, leading to key experiments in the field.
Ultracold gases provide a platform for idealized realizations of many-body systems. Thanks to recent advances in quantum gas microscopy, collective quantum phenomena can be probed with single-site resolution. A particular strength of ultracold quantum gases is the range of versatile detection methods that are available. As they are based on atom-light interactions, the whole quantum optics toolbox can be used to tailor the detection process to the specific scientific question to be explored in the experiment. Common methods include time-of-flight measurements to access the momentum distribution of the gas, the use of cavities to monitor global properties of the quantum gas with minimal disturbance, and phase-contrast or high-intensity absorption imaging to obtain local real-space information in high-density settings. Even the ultimate limit of detecting each and every atom locally has been realized in two dimensions using so-called quantum gas microscopes. In fact, these microscopes have not only revolutionized detection-they have also revolutionized the control of lattice gases. Here, we provide a short overview of quantum gas microscopy, highlighting the new observables it can access as well as key experiments that have been enabled by its development.
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