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- University of Maryland, College ParkUS71 papers
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6 papers · 1 filter
Efficiency for preforming molecules from mixtures of light Fermi and heavy Bose atoms in optical lattices: the strong-coupling-expansion method
Anzi Hu, J. K. Freericks, M. M. Maśka +1
We discuss the application of a strong-coupling expansion (perturbation theory in the hopping) for studying light-Fermi-heavy-Bose (like K-Rb) mixtures in optical lat…
Chiral Rashba spin textures in ultra-cold Fermi gases
Jay D. Sau, Rajdeep Sensarma, Stephen Powell +2
Spin-orbit coupling is an important ingredient in many recently discovered phenomena such as the spin-Hall effect and topological insulators. Of particular interest is topological…
Realistic Time-Reversal Invariant Topological Insulators With Neutral Atoms
N. Goldman, I. Satija, P. Nikolic +4
We lay out an experiment to realize time-reversal invariant topological insulators in alkali atomic gases. We introduce an original method to synthesize a gauge field in the near-f…
Bogoliubov theory of interacting bosons on a lattice in a synthetic magnetic field
Stephen Powell, Ryan Barnett, Rajdeep Sensarma +1
We consider theoretically the problem of an artificial gauge potential applied to a cold atomic system of interacting neutral bosons in a tight-binding optical lattice. Using the B…
Momentum-space engineering of gaseous Bose-Einstein condensates
Mark Edwards, Brandon Benton, Jeffrey Heward +1
We show how the momentum distribution of gaseous Bose--Einstein condensates can be shaped by applying a sequence of standing-wave laser pulses. We present a theory, whose validity…
Radio-frequency dressing of multiple Feshbach resonances
A. M. Kaufman, R. P. Anderson, Thomas M. Hanna +3
We demonstrate and theoretically analyze the dressing of several proximate Feshbach resonances in Rb-87 using radio-frequency (rf) radiation. We present accurate measurements and c…