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000864401 1001_ $$00000-0002-2253-0278$$aOmran, A.$$b0$$eCorresponding author
000864401 245__ $$aGeneration and manipulation of Schrödinger cat states in Rydberg atom arrays
000864401 260__ $$aWashington DC$$bAmerican Association for the Advancement of Science$$c2019
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000864401 520__ $$aQuantum entanglement involving coherent superpositions of macroscopically distinct states is among the most striking features of quantum theory, but its realization is challenging because such states are extremely fragile. Using a programmable quantum simulator based on neutral atom arrays with interactions mediated by Rydberg states, we demonstrate the creation of “Schrödinger cat” states of the Greenberger-Horne-Zeilinger (GHZ) type with up to 20 qubits. Our approach is based on engineering the energy spectrum and using optimal control of the many-body system. We further demonstrate entanglement manipulation by using GHZ states to distribute entanglement to distant sites in the array, establishing important ingredients for quantum information processing and quantum metrology.
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000864401 7001_ $$00000-0001-8270-3233$$aLevine, H.$$b1
000864401 7001_ $$00000-0003-3931-0949$$aKeesling, A.$$b2
000864401 7001_ $$00000-0001-9071-2279$$aSemeghini, G.$$b3
000864401 7001_ $$00000-0003-3107-2579$$aWang, T. T.$$b4
000864401 7001_ $$00000-0003-4146-3637$$aEbadi, S.$$b5
000864401 7001_ $$00000-0002-1950-7368$$aBernien, H.$$b6
000864401 7001_ $$00000-0002-3200-4351$$aZibrov, A. S.$$b7
000864401 7001_ $$00000-0003-2144-536X$$aPichler, H.$$b8
000864401 7001_ $$0P:(DE-HGF)0$$aChoi, S.$$b9
000864401 7001_ $$0P:(DE-Juel1)176641$$aJian, Cui$$b10
000864401 7001_ $$00000-0001-8584-0313$$aRossignolo, M.$$b11
000864401 7001_ $$0P:(DE-Juel1)178636$$aRembold, Phila$$b12
000864401 7001_ $$00000-0002-8882-2169$$aMontangero, S.$$b13
000864401 7001_ $$0P:(DE-Juel1)176280$$aCalarco, Tommaso$$b14
000864401 7001_ $$0P:(DE-HGF)0$$aEndres, M.$$b15
000864401 7001_ $$00000-0002-2935-2363$$aGreiner, M.$$b16
000864401 7001_ $$00000-0002-9786-0538$$aVuletić, V.$$b17
000864401 7001_ $$00000-0002-8658-1007$$aLukin, M. D.$$b18
000864401 773__ $$0PERI:(DE-600)2066996-3$$a10.1126/science.aax9743$$gVol. 365, no. 6453, p. 570 - 574$$n6453$$p570 - 574$$tScience$$v365$$x0036-8075$$y2019
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000864401 9101_ $$0I:(DE-HGF)0$$60000-0002-2253-0278$$a Department of Physics, Harvard University$$b0
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000864401 9101_ $$0I:(DE-HGF)0$$60000-0003-3107-2579$$a Department of Physics, Gordon College$$b4
000864401 9101_ $$0I:(DE-HGF)0$$60000-0003-4146-3637$$a Department of Physics, Harvard University$$b5
000864401 9101_ $$0I:(DE-HGF)0$$60000-0002-1950-7368$$a Institute for Molecular Engineering, University of Chicago$$b6
000864401 9101_ $$0I:(DE-HGF)0$$60000-0002-3200-4351$$a Department of Physics, Harvard University$$b7
000864401 9101_ $$0I:(DE-HGF)0$$60000-0003-2144-536X$$a Department of Physics, Harvard University$$b8
000864401 9101_ $$0I:(DE-HGF)0$$60000-0003-2144-536X$$a Institute for Theoretical Atomic Molecular and Optical Physics (ITAMP), Harvard-Smithsonian Center for Astrophysics$$b8
000864401 9101_ $$0I:(DE-HGF)0$$6P:(DE-HGF)0$$a Department of Physics, University of California$$b9
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000864401 9101_ $$0I:(DE-HGF)0$$60000-0001-8584-0313$$aInstitute for Quantum Optics and Center of Integrated Quantum Science and Technology (IQST), Universität Ulm $$b11
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000864401 9101_ $$0I:(DE-HGF)0$$60000-0002-8882-2169$$a Dipartimento di Fisica e Astronomia “G. Galilei,” Università degli Studi di Padova and Istituto Nazionale di Fisica Nucleare (INFN)$$b13
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000864401 9101_ $$0I:(DE-HGF)0$$6P:(DE-Juel1)176280$$a Institute for Theoretical Physics, University of Cologne$$b14
000864401 9101_ $$0I:(DE-HGF)0$$6P:(DE-HGF)0$$a Division of Physics, Mathematics and Astronomy, California Institute of Technology$$b15
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