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190 papers · 1 filter
Chaotic spin dynamics of elongated spinor condensates
Jose Reyes-Calderón, Albert Gallemí, Carsten Klempt +1
Elongated spin- condensates present a highly non-trivial local magnetization dynamics, due to the interplay between nonlinear and quantum effects stemming from the inhomogeneous…
Scissors modes in generalized Gross-Pitaevskii equations
Oleksandr V. Marchukov, Neelam Shukla, Bastien Humbert +3
We investigate scissors modes in nonlinear systems with arbitrary power-law dependence of the nonlinear term. Through analytical derivation, we establish a general expression demon…
Shell-shaped Bose-Einstein condensates: Dynamics, excitations, and thermodynamics
Brendan Rhyno, Kuei Sun, Jude Bedessem +3
Shell-shaped Bose-Einstein condensates (BECs) represent a paradigmatic instance of quantum fluids in hollow geometries exhibiting phenomena that bridge from ultracold atomic to ast…
Chiral phases and dynamics of dipoles in triangular optical ladders
Arjo Dasgupta, Mateusz Łącki, Henning Korbmacher +3
Dipoles in triangular optical ladders constitute a flexible platform for the study of the interplay between geometric frustration and long-range anisotropic interactions, and in pa…
Geometric filtering effect in expanding Bose-Einstein condensate shells
Andrea Tononi, Maciej Lewenstein, Luis Santos
A shell-shaped Bose-Einstein condensate released from its confinement expands radially both outwards and inwards, displaying a self-interference pattern characterized by a density…
Fast momentum-selective transport of Bose-Einstein condensates via controlled non-adiabatic dynamics in optical lattices
Raja Chamakhi, Dana Codruta Marinica, Naceur Gaaloul +2
We present a detailed numerical study of a protocol for momentum-selective transport of a Bose-Einstein condensate (BEC) in a one-dimensional optical lattice, achieving narrow mome…