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29 papers · 2 filters
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…
Feshbach resonances in the 6Li-40K Fermi-Fermi mixture: Elastic versus inelastic interactions
D. Naik, A. Trenkwalder, C. Kohstall +7
We present a detailed theoretical and experimental study of Feshbach resonances in the 6Li-40K mixture. Particular attention is given to the inelastic scattering properties, which…
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…
Quantum rotor theory of spinor condensates in tight traps
Ryan Barnett, Hoi-Yin Hui, Chien-Hung Lin +2
In this work, we theoretically construct exact mappings of many-particle bosonic systems onto quantum rotor models. In particular, we analyze the rotor representation of spinor Bos…
Topological semimetal in a fermionic optical lattice
Kai Sun, W. Vincent Liu, Andreas Hemmerich +1
Optical lattices play a versatile role in advancing our understanding of correlated quantum matter. The recent implementation of orbital degrees of freedom in chequerboard and hexa…
Dynamic Stimulation of Quantum Coherence in Lattice Bosons
Andrew Robertson, Victor M. Galitski, Gil Refael
Thermal fluctuations tend to destroy long-range phase correlations. Consequently, bosons in a lattice will undergo a transition from a phase-coherent superfluid as the temperature…