Shell-shaped atomic gases

A Tononi, L Salasnich - Physics Reports, 2024 - Elsevier
We review the quantum statistical properties of two-dimensional shell-shaped gases,
produced by cooling and confining atomic ensembles in thin hollow shells. We consider …

Controlled expansion of shell-shaped Bose–Einstein condensates

P Boegel, A Wolf, M Meister… - Quantum Science and …, 2023 - iopscience.iop.org
Motivated by the recent experimental realization of ultracold quantum gases in shell
topology, we propose a straightforward implementation of matter-wave lensing techniques …

Supersolid phases of bosonic particles in a bubble trap

M Ciardi, F Cinti, G Pellicane, S Prestipino - Physical Review Letters, 2024 - APS
Confinement can have a considerable effect on the behavior of particle systems and is
therefore an effective way to discover new phenomena. A notable example is a system of …

Triangular vortex lattices and giant vortices in rotating bubble Bose-Einstein condensates

AC White - Physical Review A, 2024 - APS
We show that three-dimensional spherical-shell condensates respond to rotation by forming
two aligned triangular Abrikosov-like vortex lattices on each hemispherical surface. The …

Vortex structure and spectrum of an atomic Fermi superfluid in a spherical bubble trap

Y He, CC Chien - Physical Review A, 2023 - APS
The structures of multiply quantized vortices (MQVs) of an equal-population atomic Fermi
superfluid in a rotating spherical bubble trap approximated as a thin shell are analyzed by …

Faraday waves on a bubble-trapped Bose-Einstein-condensed binary mixture

L Brito, L Tomio, A Gammal - Physical Review A, 2023 - APS
By studying the dynamic stability of Bose-Einstein-condensed binary mixtures trapped on
the surface of an ideal two-dimensional spherical bubble, we show how the Rabi coupling …

Engineering phase and density of Bose–Einstein condensates in curved waveguides with toroidal topology

Y Nikolaieva, L Salasnich… - New Journal of Physics, 2023 - iopscience.iop.org
We investigate the effects of ellipticity-induced curvature on atomic Bose–Einstein
condensates confined in quasi-one-dimensional closed-loop waveguides. Our theoretical …

Superfluid excitations in rotating two-dimensional ring traps

G Tomishiyo, L Madeira, MA Caracanhas - Physics of Fluids, 2024 - pubs.aip.org
We studied a rotating Bose–Einstein condensate confined in ring trap configurations that
can be produced starting with a bubble trap confinement, approximated by a Mexican hat …

Bose–Einstein condensates and the thin-shell limit in anisotropic bubble traps

EJP Biral, NS Móller, A Pelster… - New Journal of …, 2024 - iopscience.iop.org
Within the many different models, that appeared with the use of cold atoms to create BECs,
the bubble trap shaped potential has been of great interest. However, the relationship …

Winding real and order-parameter spaces via lump solitons of spinor BEC on sphere

Y He, CC Chien - Journal of Physics B: Atomic, Molecular and …, 2023 - iopscience.iop.org
The three condensate wavefunctions of a F= 1 spinor Bose–Einstein condensate on a
spherical shell can map the real space to the order-parameter space that also has a …