Cavity QED with quantum gases: new paradigms in many-body physics

F Mivehvar, F Piazza, T Donner, H Ritsch - Advances in Physics, 2021 - Taylor & Francis
We review the recent developments and the current status in the field of quantum-gas cavity
QED. Since the first experimental demonstration of atomic self-ordering in a system …

Interactions mediated by atoms, photons, electrons, and excitons

R Paredes, G Bruun, A Camacho-Guardian - Physical Review A, 2024 - APS
Interactions between quasiparticles mediated by a surrounding environment are ubiquitous
and lead to a range of important effects from collective modes of low-temperature quantum …

Topological quantum critical points in the extended Bose-Hubbard model

J Fraxanet, D González-Cuadra, T Pfau… - Physical Review Letters, 2022 - APS
The combination of topology and quantum criticality can give rise to an exotic mix of
counterintuitive effects. Here, we show that unexpected topological properties take place in …

Vortex Quantum Droplets under Competing Nonlinearities

G Chen, H Wang, H Deng… - Chinese Physics …, 2024 - iopscience.iop.org
This concise review summarizes recent advancements in theoretical studies of vortex
quantum droplets (VQDs) in matter-wave fields. These are robust self-trapped vortical states …

Laser-painted cavity-mediated interactions in a quantum gas

M Bonifacio, F Piazza, T Donner - PRX Quantum, 2024 - APS
Experimental platforms based on ultracold atomic gases have significantly advanced the
quantum simulation of complex systems, yet the exploration of phenomena driven by long …

Tuning photon-mediated interactions in a multimode cavity: From supersolid to insulating droplets hosting phononic excitations

N Masalaeva, H Ritsch, F Mivehvar - Physical Review Letters, 2023 - APS
Ultracold atoms trapped in laser-generated optical lattices serve as a versatile platform for
quantum simulations. However, as these lattices are infinitely stiff, they do not allow to …

Spectra and dynamics of quantum droplets in an optical lattice

Y Nie, JH Zheng, T Yang - Physical Review A, 2023 - APS
The optical lattice plays an important role in the stability and dynamics of quantum droplets.
In this article, we investigate the Bogoliubov excitation spectrum of quantum droplets in an …

Formation and fragmentation of quantum droplets in a quasi-one-dimensional dipolar Bose gas

S De Palo, E Orignac, R Citro - Physical Review B, 2022 - APS
We theoretically investigate the droplets formation in a tightly trapped one-dimensional
dipolar gas of bosonic atoms. When the strength of the dipolar interaction becomes …

[HTML][HTML] Self-induced Bose glass phase in quantum quasicrystals

M Grossklags, M Ciardi, V Zampronio, F Cinti… - Results in Physics, 2024 - Elsevier
We study the emergence of Bose glass phases in self sustained bosonic quasicrystals
induced by a pair interaction between particles of Lifshitz–Petrich type. By using a mean …

Transversal effects on the ground state of hard-core dipolar bosons in one-dimensional optical lattices

H Korbmacher, GA Domínguez-Castro, WH Li… - Physical Review A, 2023 - APS
Polar lattice gases are usually assumed to have an intersite interaction that decays with the
interparticle distance r as 1/r 3. However, a loose-enough transversal confinement may …