Solitary waves in a quantum droplet-bearing system

GC Katsimiga, SI Mistakidis, GN Koutsokostas… - Physical Review A, 2023 - APS
We unravel the existence and stability properties of dark soliton solutions as they extend
from the regime of trapped quantum droplets towards the Thomas-Fermi limit in …

Correlated dynamics of collective droplet excitations in a one-dimensional harmonic trap

IA Englezos, SI Mistakidis, P Schmelcher - Physical Review A, 2023 - APS
We address the existence and dynamics of one-dimensional harmonically confined
quantum droplets appearing in two-component mixtures by deploying a nonperturbative …

Formation and quench of homonuclear and heteronuclear quantum droplets in one dimension

SI Mistakidis, T Mithun, PG Kevrekidis… - Physical Review …, 2021 - APS
We study the impact of beyond Lee-Huang-Yang (LHY) physics, especially due to
intercomponent correlations, in the ground state and the quench dynamics of one …

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 …

Universality of quantum liquids and droplets in one dimension

I Morera, B Juliá-Díaz, M Valiente - Physical Review Research, 2022 - APS
We consider interacting one-dimensional bosons in the universal low-energy regime. The
interactions consist of a combination of attractive and repulsive parts that can stabilize …

Vortex-ring quantum droplets in a radially-periodic potential

B Liu, YX Chen, AW Yang, XY Cai, Y Liu… - New Journal of …, 2022 - iopscience.iop.org
We establish stability and characteristics of two-dimensional (2D) vortex ring-shaped
quantum droplets (QDs) formed by binary Bose–Einstein condensates. The system is …

Interactions and dynamics of one-dimensional droplets, bubbles and kinks

GC Katsimiga, SI Mistakidis, BA Malomed… - Condensed …, 2023 - mdpi.com
We explore the dynamics and interactions of multiple bright droplets and bubbles, as well as
the interactions of kinks with droplets and with antikinks, in the extended one-dimensional …

Quantum droplets in one-dimensional Bose-Bose mixtures: beyond the Lee-Huang-Yang description

A Boudjemâa, K Abbas - New Journal of Physics, 2023 - iopscience.iop.org
The static and dynamic properties of self-bound quantum droplets in a one-dimensional
Bose-Bose mixture are discussed in the spirit of the Hartree–Fock-Bogoliubov theory. This …

Attractive solution of binary Bose mixtures: Liquid-vapor coexistence and critical point

G Spada, S Pilati, S Giorgini - Physical Review Letters, 2023 - APS
We study the thermodynamic behavior of attractive binary Bose mixtures using exact path-
integral Monte Carlo methods. Our focus is on the regime of interspecies interactions where …

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 …