Browsing by Author "Ma, Ruichao"

Now showing items 1-5 of 5

    • Engineered potentials and dynamics of ultracold quantum gases under the microscope 

      Ma, Ruichao (2014-06-06)
      In this thesis, I present experiments on making and probing strongly correlated gases of ultracold atoms in an optical lattice with engineered potentials and dynamics. The quantum gas microscope first developed in our lab ...

    • Orbital Excitation Blockade and Algorithmic Cooling in Quantum Gases 

      Bakr, Waseem; Preiss, Philipp Moritz; Tai, Ming Eric; Ma, Ruichao; Simon, Jonathan; Greiner, Markus (Nature Publishing Group, 2011)
      Interaction blockade occurs when strong interactions in a confined, few-body system prevent a particle from occupying an otherwise accessible quantum state. Blockade phenomena reveal the underlying granular nature of quantum ...

    • Photon-Assisted Tunneling in a Biased Strongly Correlated Bose Gas 

      Ma, Ruichao; Tai, Ming Eric; Preiss, Philipp Moritz; Bakr, Waseem; Simon, Jonathan; Greiner, Markus (American Physical Society, 2011)
      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 ...

    • Probing the Superfluid to Mott Insulator Transition at the Single Atom Level 

      Bakr, Waseem; Peng, Amy; Tai, Ming Eric; Ma, Ruichao; Simon, Jonathan; Gillen, Jonathon; Foelling, Simon; Pollet, Lode; Greiner, Markus (American Association for the Advancement of Science, 2010)
      Quantum gases in optical lattices offer an opportunity to experimentally realize and explore condensed matter models in a clean, tunable system. We used single atom–single lattice site imaging to investigate the Bose-Hubbard ...

    • Quantum Simulation of Antiferromagnetic Spin Chains in an Optical Lattice 

      Simon, Jonathan; Bakr, Waseem S.; Ma, Ruichao; Tai, Ming Eric; Preiss, Philipp Moritz; Greiner, Markus (Nature Publishing Group, 2011)
      Understanding exotic forms of magnetism in quantum mechanical systems is a central goal of modern condensed matter physics, with implications for systems ranging from high-temperature superconductors to spintronic devices. ...