Observation of two sound modes in a binary superfluid gas

JH Kim, D Hong, Y Shin - Physical Review A, 2020 - APS
We study the propagation of sound waves in a binary superfluid gas with two symmetric
components. The binary superfluid is constituted using a Bose-Einstein condensate of Na 23 …

Critical energy dissipation in a binary superfluid gas by a moving magnetic obstacle

JH Kim, D Hong, K Lee, Y Shin - Physical Review Letters, 2021 - APS
We study the critical energy dissipation in an atomic superfluid gas with two symmetric spin
components by an oscillating magnetic obstacle. Above a certain critical oscillation …

Thermal effects on the spin-domain phases of high spin- Bose-Einstein condensates with rotational symmetries

E Serrano-Ensástiga, F Mireles - Physical Review A, 2023 - APS
In spinor Bose Einstein condensates (BEC) gases, a fraction of its thermally excited atoms
can still interact with the condensate ground state, leading to spin-spin interactions that can …

[HTML][HTML] Phase characterization of spinor Bose-Einstein condensates: a Majorana stellar representation approach

E Serrano-Ensástiga, F Mireles - Physics Letters A, 2023 - Elsevier
We study the variational perturbations for the mean-field solution of an interacting spinor
system with underlying rotational symmetries. An approach based upon the Majorana stellar …

Spinor condensate in spin–orbit coupled Bose gases with inhomogeneous magnetic field

Q Zhao, HJ Bi, XM Yang, LL Zhang - International Journal of Modern …, 2022 - World Scientific
In this paper, we study the dynamic properties of spin–orbit coupling (SOC) spin-1
antiferromagnetic Bose–Einstein condensates with inhomogeneous external magnetic field …

Floquet spinor Bose gases

K Fujimoto, S Uchino - Physical Review Research, 2019 - APS
We introduce a Floquet spinor Bose-Einstein condensate induced by a periodically driven
quadratic Zeeman coupling whose frequency is larger than any other energy scales. By …

Crossover from weak to strong quench in a spinor Bose-Einstein condensate

S Kang, D Hong, JH Kim, Y Shin - Physical Review A, 2020 - APS
We investigate the early-time dynamics of a quasi-two-dimensional spin-1 antiferromagnetic
Bose-Einstein condensate after a sudden quench from the easy-plane to the easy-axis polar …

Metastable spin-phase diagrams in antiferromagnetic Bose-Einstein condensates

E Serrano-Ensástiga, F Mireles - Physical Review A, 2021 - APS
Spinor Bose-Einstein condensates under external magnetic fields exhibit well-characterized
spin domains of its ground state due to spin-dependent interactions. At low temperatures …

Information entropy in spin–orbit coupled dipolar condensates with magnetic field

Q Zhao - International Journal of Modern Physics B, 2024 - World Scientific
In this paper, we study the formation of Shannon information entropy in spin–orbit coupled
(SOC) spin-1 antiferromagnetic dipolar Bose–Einstein condensates with external magnetic …

Spin entanglement in antiferromagnetic spin-1 Bose-Einstein condensates

A Santiago, F Mireles, E Serrano-Ensástiga - arxiv preprint arxiv …, 2024 - arxiv.org
We study the spin entanglement in a spin-1 Bose-Einstein condensate with
antiferromagnetic atomic interactions using the Hartree-Fock approach. Based on the …