Dipolar physics: a review of experiments with magnetic quantum gases

L Chomaz, I Ferrier-Barbut, F Ferlaino… - Reports on Progress …, 2022 - iopscience.iop.org
Since the achievement of quantum degeneracy in gases of chromium atoms in 2004, the
experimental investigation of ultracold gases made of highly magnetic atoms has …

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 …

Observation of a dipolar quantum gas with metastable supersolid properties

L Tanzi, E Lucioni, F Famà, J Catani, A Fioretti… - Physical review …, 2019 - APS
The competition of dipole-dipole and contact interactions leads to exciting new physics in
dipolar gases, well illustrated by the recent observation of quantum droplets and rotons in …

Observation of quantum droplets in a strongly dipolar Bose gas

I Ferrier-Barbut, H Kadau, M Schmitt, M Wenzel, T Pfau - Physical review letters, 2016 - APS
Quantum fluctuations are the origin of genuine quantum many-body effects, and can be
neglected in classical mean-field phenomena. Here, we report on the observation of stable …

Supersolid symmetry breaking from compressional oscillations in a dipolar quantum gas

L Tanzi, SM Roccuzzo, E Lucioni, F Famà, A Fioretti… - Nature, 2019 - nature.com
Supersolids are exotic materials combining the frictionless flow of a superfluid with the
crystal-like periodic density modulation of a solid. The supersolid phase of matter was …

Observation of roton mode population in a dipolar quantum gas

L Chomaz, RMW van Bijnen, D Petter, G Faraoni… - Nature physics, 2018 - nature.com
The concept of a roton, a special kind of elementary excitation forming a minimum of energy
at finite momentum, has been essential for the understanding of the properties of superfluid …

The physics of dipolar bosonic quantum gases

T Lahaye, C Menotti, L Santos… - Reports on Progress …, 2009 - iopscience.iop.org
This paper reviews the recent theoretical and experimental advances in the study of ultra-
cold gases made of bosonic particles interacting via the long-range, anisotropic dipole …

Strongly Correlated 2D Quantum Phases with Cold Polar Molecules:<? format?> Controlling the Shape of the Interaction Potential

HP Büchler, E Demler, M Lukin, A Micheli… - Physical Review Letters, 2007 - APS
We discuss techniques to tune and shape the long-range part of the interaction potentials in
quantum gases of bosonic polar molecules by dressing rotational excitations with static and …

Strong dipolar effects in a quantum ferrofluid

T Lahaye, T Koch, B Fröhlich, M Fattori, J Metz… - Nature, 2007 - nature.com
Symmetry-breaking interactions have a crucial role in many areas of physics, ranging from
classical ferrofluids to superfluid 3He and d-wave superconductivity. For superfluid quantum …

Stabilization of a purely dipolar quantum gas against collapse

T Koch, T Lahaye, J Metz, B Fröhlich, A Griesmaier… - Nature physics, 2008 - nature.com
Although the phenomenon of Bose–Einstein condensation is a purely statistical effect that
also appears in an ideal gas, the physics of Bose–Einstein condensates (BECs) of dilute …