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Cheuk LW, Nichols MA, Okan M, et al. Quantum-gas microscope for fermionic atoms. Phys Rev Lett. 2015;114(19):193001doi: 10.1103/PhysRevLett.114.193001.
Cheuk, L. W., Nichols, M. A., Okan, M., Gersdorf, T., Ramasesh, V. V., Bakr, W. S., Lompe, T., & Zwierlein, M. W. (2015). Quantum-gas microscope for fermionic atoms. Physical review letters, 114(19), 193001. https://doi.org/10.1103/PhysRevLett.114.193001
Cheuk, Lawrence W, et al. "Quantum-gas microscope for fermionic atoms." Physical review letters vol. 114,19 (2015): 193001. doi: https://doi.org/10.1103/PhysRevLett.114.193001
Cheuk LW, Nichols MA, Okan M, Gersdorf T, Ramasesh VV, Bakr WS, Lompe T, Zwierlein MW. Quantum-gas microscope for fermionic atoms. Phys Rev Lett. 2015 May 15;114(19):193001. doi: 10.1103/PhysRevLett.114.193001. Epub 2015 May 13. PMID: 26024169.
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Phys Rev Lett. 2015 May 15;114(19):193001. doi: 10.1103/PhysRevLett.114.193001. Epub 2015 May 13.

Quantum-gas microscope for fermionic atoms.

Physical review letters

Lawrence W Cheuk, Matthew A Nichols, Melih Okan, Thomas Gersdorf, Vinay V Ramasesh, Waseem S Bakr, Thomas Lompe, Martin W Zwierlein

Affiliations

  1. Department of Physics, MIT-Harvard Center for Ultracold Atoms and Research Laboratory of Electronics, MIT, Cambridge, Massachusetts 02139, USA.

PMID: 26024169 DOI: 10.1103/PhysRevLett.114.193001

Abstract

We realize a quantum-gas microscope for fermionic ^{40}K 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.

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