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 …

Equation of state of ultracold fermions in the 2D BEC-BCS crossover region

I Boettcher, L Bayha, D Kedar, PA Murthy, M Neidig… - Physical review …, 2016 - APS
We report the experimental measurement of the equation of state of a two-dimensional
Fermi gas with attractive s-wave interactions throughout the crossover from a weakly …

Thermodynamics of an attractive 2D Fermi gas

K Fenech, P Dyke, T Peppler, MG Lingham, S Hoinka… - Physical review …, 2016 - APS
Thermodynamic properties of matter are conveniently expressed as functional relations
between variables known as equations of state. Here we experimentally determine the …

Quantum anomaly and 2D-3D crossover in strongly interacting Fermi gases

T Peppler, P Dyke, M Zamorano, I Herrera, S Hoinka… - Physical review …, 2018 - APS
We present an experimental investigation of collective oscillations in harmonically trapped
Fermi gases through the crossover from two to three dimensions. Specifically, we measure …

Connecting berezinskii-kosterlitz-thouless and bec phase transitions by tuning interactions in a trapped gas

RJ Fletcher, M Robert-de-Saint-Vincent, J Man… - Physical Review Letters, 2015 - APS
We study the critical point for the emergence of coherence in a harmonically trapped two-
dimensional Bose gas with tunable interactions. Over a wide range of interaction strengths …

Thermal instability, evaporation, and thermodynamics of one-dimensional liquids in weakly interacting Bose-Bose mixtures

G De Rosi, GE Astrakharchik, P Massignan - Physical Review A, 2021 - APS
We study the low-temperature thermodynamics of weakly interacting uniform liquids in one-
dimensional attractive Bose-Bose mixtures. The Bogoliubov approach is used to …

Observation of scale invariance in two-dimensional matter-wave Townes solitons

CA Chen, CL Hung - Physical Review Letters, 2021 - APS
We report near-deterministic generation of two-dimensional (2D) matter-wave Townes
solitons and a precision test on scale invariance in attractive 2D Bose gases. We induce a …

Quantum scale anomaly and spatial coherence in a 2D Fermi superfluid

PA Murthy, N Defenu, L Bayha, M Holten, PM Preiss… - Science, 2019 - science.org
Quantum anomalies are violations of classical scaling symmetries caused by divergences
that appear in the quantization of certain classical theories. Although they play a prominent …

Correlation properties of a one-dimensional repulsive Bose gas at finite temperature

G De Rosi, R Rota, GE Astrakharchik… - New Journal of …, 2023 - iopscience.iop.org
We present a comprehensive study shedding light on how thermal fluctuations affect
correlations in a Bose gas with contact repulsive interactions in one spatial dimension. The …

Thermodynamics of dilute Bose gases: Beyond mean-field theory for binary mixtures of Bose-Einstein condensates

M Ota, S Giorgini - Physical Review A, 2020 - APS
We study the thermodynamic properties of binary Bose mixtures by develo** a beyond
mean-field Popov theory which properly includes the effects of quantum and thermal …