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- University of Maryland, College ParkUS1.9k papers
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36 papers · 1 filter
Observing Zitterbewegung in Ultracold Atoms
J. Y. Vaishnav, Charles W. Clark
We propose an optical lattice scheme which would permit the experimental observation of Zitterbewegung (ZB) with ultracold, neutral atoms. A four-level "tripod" variant of the usua…
Quantum phases of Fermi-Fermi mixtures in optical lattices
M. Iskin, C. A. R. Sa de Melo
The ground state phase diagram of Fermi-Fermi mixtures in optical lattices is analyzed as a function of interaction strength, population imbalance, filling fraction and tunneling p…
Heteronuclear molecules in an optical dipole trap
J. J. Zirbel, K. -K. Ni, S. Ospelkaus +6
We report on the creation and characterization of heteronuclear KRb Feshbach molecules in an optical dipole trap. Starting from an ultracold gas mixture of K-40 and Rb-87 atoms, we…
Spin-orbit coupled Bose-Einstein condensates
Tudor Stanescu, Brandon Anderson, Victor Galitski
We consider a many-body system of pseudo-spin-1/2 bosons with spin-orbit interactions, which couple the momentum and the internal pseudo-spin degree of freedom created by spatially…
How to Enhance Dephasing Time in Superconducting Qubits
L. Cywinski, R. M. Lutchyn, C. P. Nave +1
We theoretically investigate the influence of designed pulse sequences in restoring quantum coherence lost due to background noise in superconducting qubits. We consider both 1/f n…
Generation of spatially broadband twin beams for quantum imaging
V. Boyer, A. M. Marino, P. D. Lett
We generate spatially multimode twin beams using 4-wave mixing in a hot atomic vapor in a phase-insensitive traveling-wave amplifier configuration. The far-field coherence area mea…