Photon-Assisted Tunneling in a Biased Strongly Correlated Bose Gas

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Photon-Assisted Tunneling in a Biased Strongly Correlated Bose Gas

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Title: Photon-Assisted Tunneling in a Biased Strongly Correlated Bose Gas
Author: Bakr, Waseem; Ma, Ruichao; Tai, Ming Eric; Preiss, Philipp Moritz; Simon, Jonathan; Greiner, Markus

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Citation: Ma, Ruichao, M. Eric Tai, Philipp Preiss, Waseem Bakr, Jonathan Simon, and Markus Greiner. 2011. Photon-Assisted tunneling in a biased strongly correlated bose gas. Physical Review Letters 107(9): 095301.
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Abstract: We study the impact of coherently generated lattice photons on an atomic Mott insulator subjected to a uniform force. Analogous to an array of tunnel-coupled and biased quantum dots, we observe sharp, interaction-shifted photon-assisted tunneling resonances corresponding to tunneling one and two lattice sites either with or against the force and resolve multiorbital shifts of these resonances. By driving a Landau-Zener sweep across such a resonance, we realize a quantum phase transition between a paramagnet and an antiferromagnet and observe quench dynamics when the system is tuned to the critical point. Direct extensions will produce gauge fields and site-resolved spin flips, for topological physics and quantum computing.
Published Version: doi:10.1103/PhysRevLett.107.095301
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  • FAS Scholarly Articles [8255]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University

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