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17 papers · 2 filters
Light cone dynamics and reverse Kibble-Zurek mechanism in two-dimensional superfluids following a quantum quench
L. Mathey, A. Polkovnikov
We study the dynamics of the relative phase of a bilayer of two-dimensional superfluids after the two superfluids have been decoupled. We find that on short time scales the relativ…
Topological states in two-dimensional optical lattices
Tudor D. Stanescu, Victor Galitski, S. Das Sarma
We present a general analysis of two-dimensional optical lattice models that give rise to topologically non-trivial insulating states. We identify the main ingredients of the latti…
Spontaneous interlayer superfluidity in bilayer systems of cold polar molecules
Roman M. Lutchyn, Enrico Rossi, S. Das Sarma
Quantum degenerate cold-atom gases provide a remarkable opportunity to study strongly interacting systems. Recent experimental progress in producing ultracold polar molecules with…
Vortex Synchronization in Bose-Einstein Condensates: A Time-Dependent Gross-Pitaevskii Equation Approach
Ryan Barnett, Edward Chen, Gil Refael
In this work we consider vortex lattices in rotating Bose-Einstein Condensates composed of two species of bosons having different masses. Previously [1] it was claimed that the vor…
Mesoscopic Effects in Quantum Phases of Ultracold Quantum Gases in Optical Lattices
L. D. Carr, M. L. Wall, D. G. Schirmer +3
We present a wide array of quantum measures on numerical solutions of 1D Bose- and Fermi-Hubbard Hamiltonians for finite-size systems with open boundary conditions. Finite size eff…
Universal Thermometry for Quantum Simulation
Qi Zhou, Tin-Lun Ho
Quantum simulation is a highly ambitious program in cold atom research currently being pursued in laboratories worldwide. The goal is to use cold atoms in optical lattice to simula…