Spinor Bose gases: Symmetries, magnetism, and quantum dynamics

DM Stamper-Kurn, M Ueda - Reviews of Modern Physics, 2013 - APS
Spinor Bose gases form a family of quantum fluids manifesting both magnetic order and<?
format?> superfluidity. This article reviews experimental and theoretical progress in …

Spinor bose–einstein condensates

Y Kawaguchi, M Ueda - Physics Reports, 2012 - Elsevier
An overview of the physics of spinor and dipolar Bose–Einstein condensates (BECs) is
given. Mean-field ground states, Bogoliubov spectra, and many-body ground and excited …

Few-body Bose gases in low dimensions—A laboratory for quantum dynamics

SI Mistakidis, AG Volosniev, RE Barfknecht, T Fogarty… - Physics Reports, 2023 - Elsevier
Cold atomic gases have become a paradigmatic system for exploring fundamental physics,
which at the same time allows for applications in quantum technologies. The accelerating …

Effect of losses on the performance of an SU (1, 1) interferometer

AM Marino, NV Corzo Trejo, PD Lett - Physical Review A—Atomic, Molecular …, 2012 - APS
We study the effect of losses on the phase sensitivity of the SU (1, 1) interferometer for
different configurations. We find that this type of interferometer is robust against losses that …

Quantum phase transition in an antiferromagnetic spinor Bose-Einstein condensate

EM Bookjans, A Vinit, C Raman - Physical Review Letters, 2011 - APS
We have experimentally observed the dynamics of an antiferromagnetic sodium Bose-
Einstein condensate quenched through a quantum phase transition. Using an off-resonant …

Half-quantum vortices in an antiferromagnetic spinor Bose-Einstein condensate

SW Seo, S Kang, WJ Kwon, Y Shin - Physical Review Letters, 2015 - APS
We report on the observation of half-quantum vortices (HQVs) in the easy-plane polar phase
of an antiferromagnetic spinor Bose-Einstein condensate. Using in situ magnetization …

Spontaneous demagnetization of a dipolar spinor Bose gas in an ultralow magnetic field

B Pasquiou, E Maréchal, G Bismut, P Pedri, L Vernac… - Physical Review Letters, 2011 - APS
We study the spinor properties of S= 3 Cr 52 condensates, in which dipole-dipole
interactions allow changes in magnetization. We observe a demagnetization of the Bose …

Quantum Phase Transitions and Continuous Observation of Spinor Dynamics<? format?> in an Antiferromagnetic Condensate

Y Liu, S Jung, SE Maxwell, LD Turner, E Tiesinga… - Physical review …, 2009 - APS
Condensates of spin-1 sodium display rich spin dynamics due to the antiferromagnetic
nature of the interactions in this system. We use Faraday rotation spectroscopy to make a …

Cavity QED engineering of spin dynamics and squeezing in a spinor gas

SJ Masson, MD Barrett, S Parkins - Physical Review Letters, 2017 - APS
We propose a method for engineering spin dynamics in ensembles of integer-spin atoms
confined within a high-finesse optical cavity. Our proposal uses cavity-assisted Raman …

Dynamics in spinor condensates tuned by a microwave dressing field

L Zhao, J Jiang, T Tang, M Webb, Y Liu - Physical Review A, 2014 - APS
We experimentally study spin dynamics in a sodium antiferromagnetic spinor condensate as
a result of spin-dependent interactions c and microwave dressing field interactions …