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Quantum-Gas Microscope for Fermionic Atoms

Author(s)
Cheuk, Lawrence W.; Nichols, Matthew Alan; Okan, Melih; Gersdorf, Thomas; Ramasesh, Vinay V.; Bakr, Waseem S; Lompe, Thomas; Zwierlein, Martin; ... Show more Show less
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Abstract
We realize a quantum-gas microscope for fermionic ⁴⁰K atoms trapped in an optical lattice, which allows one to probe strongly correlated fermions at the single-atom level. We combine 3D Raman sideband cooling with high-resolution optics to simultaneously cool and image individual atoms with single-lattice-site resolution at a detection fidelity above 95%. The imaging process leaves the atoms predominantly in the 3D motional ground state of their respective lattice sites, inviting the implementation of a Maxwell’s demon to assemble low-entropy many-body states. Single-site-resolved imaging of fermions enables the direct observation of magnetic order, time-resolved measurements of the spread of particle correlations, and the detection of many-fermion entanglement.
Date issued
2015-05
URI
http://hdl.handle.net/1721.1/108481
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Cheuk, Lawrence W.; Nichols, Matthew A.; Okan, Melih; Gersdorf, Thomas; Ramasesh, Vinay V.; Bakr, Waseem S.; Lompe, Thomas and Zwierlein, Martin W. “Quantum-Gas Microscope for Fermionic Atoms.” Physical Review Letters 114, no. 19 (May 13, 2015). © 2015 American Physical Society
Version: Final published version
ISSN
0031-9007
1079-7114

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