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32 papers · 2 filters
Resonant Scattering and Microscopic Model of Spinless Fermi Gases in One-dimensional Optical Lattices
Xiaoling Cui
We study the effective Bloch-wave scattering of a spinless Fermi gas in one-dimensional (1D) optical lattices. By tuning the odd-wave scattering length, we find multiple resonances…
Two-body relaxation of spin-polarized fermions in reduced dimensionalities near a p-wave Feshbach resonance
D. V. Kurlov, G. V. Shlyapnikov
We study inelastic two-body relaxation in a spin-polarized ultracold Fermi gas in the presence of a p-wave Feshbach resonance. It is shown that in reduced dimensionalities, especia…
Bogoliubov depletion of the fragmented condensate in the bosonic flux ladder
Andrey R. Kolovsky
We theoretically analyze the ground state of weakly interacting bosons in the flux ladder -- the system that has been recently realized by means of ultacold atoms in the specially…
Quantum walks in commensurate off-diagonal Aubry-André-Harper model
Li Wang, Na Liu, Shu Chen +1
Due to the topological nature of Aubry-André-Harper (AAH) model, exotic edge states have been found existing in one-dimensional periodic and quasiperiodic lattices. In this article…
Universal relations and normal phase of an ultracold Fermi gas with coexisting - and -wave interactions
Fang Qin, Xiaoling Cui, Wei Yi
We study the universal relations and normal-phase thermodynamics of a two-component ultracold Fermi gas with coexisting - and -wave interactions. Due to the orthogonality of…
Dynamics of vortex quadrupoles in nonrotating trapped Bose-Einstein condensate
Tao Yang, Zhi-Qiang Hu, Shan Zou +1
Dynamics of vortex clusters is essential for understanding diverse superfluid phenomena. In this paper, we examine the dynamics of vortex quadrupoles in a trapped two-dimensional (…