Observation of the 2D–1D crossover in strongly interacting ultracold bosons

Y Guo, H Yao, S Ramanjanappa, S Dhar, M Horvath… - Nature Physics, 2024 - nature.com
Dimensionality plays an essential role in determining the nature and properties of a physical
system. This is particularly evident in quantum systems, where interactions and fluctuations …

Anomalous cooling of bosons by dimensional reduction

Y Guo, H Yao, S Dhar, L Pizzino, M Horvath… - Science …, 2024 - science.org
Cold atomic gases provide a remarkable testbed to study the physics of interacting many-
body quantum systems. Temperatures are necessarily nonzero, but cooling to the ultralow …

Generalized hydrodynamics in the one-dimensional Bose gas: theory and experiments

I Bouchoule, J Dubail - Journal of Statistical Mechanics: Theory …, 2022 - iopscience.iop.org
We review the recent theoretical and experimental progress regarding the generalized
hydrodynamics (GHD) behavior of the one-dimensional (1D) Bose gas with contact …

Analytic thermodynamic properties of the Lieb-Liniger gas

ML Kerr, G De Rosi, K Kheruntsyan - SciPost Physics Core, 2024 - scipost.org
We present a comprehensive review on the state-of-the-art of the approximate analytic
approaches describing the finite-temperature thermodynamic quantities of the Lieb-Liniger …

Extension of the generalized hydrodynamics to the dimensional crossover regime

F Møller, C Li, I Mazets, HP Stimming, T Zhou, Z Zhu… - Physical Review Letters, 2021 - APS
In an effort to address integrability breaking in cold gas experiments, we extend the
integrable hydrodynamics of the Lieb-Liniger model with two additional components …

Lieb-Liniger bosons in a shallow quasiperiodic potential: Bose glass phase and fractal Mott lobes

H Yao, T Giamarchi, L Sanchez-Palencia - Physical review letters, 2020 - APS
The emergence of a compressible insulator phase, known as the Bose glass, is
characteristic of the interplay of interactions and disorder in correlated Bose fluids. While …

Strongly interacting trapped one-dimensional quantum gases: Exact solution

A Minguzzi, P Vignolo - AVS Quantum Science, 2022 - pubs.aip.org
Understanding the effect of correlations in interacting many-body systems is one of the main
challenges in quantum mechanics. While the general problem can only be addressed by …

Breakdown of Tan's relation in lossy one-dimensional Bose gases

I Bouchoule, J Dubail - Physical Review Letters, 2021 - APS
In quantum gases with contact repulsion, the distribution of momenta of the atoms typically
decays as∼ 1/| p| 4 at large momentum p. Tan's relation connects the amplitude of that 1/| p …

Strongly-interacting bosons at 2D-1D dimensional crossover

H Yao, L Pizzino, T Giamarchi - SciPost Physics, 2023 - scipost.org
We study a two dimensional (2D) system of interacting quantum bosons, subjected to a
continuous periodic potential in one direction. The correlation of such system exhibits a …

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 …