Roadmap on Atomtronics: State of the art and perspective

L Amico, M Boshier, G Birkl, A Minguzzi… - AVS Quantum …, 2021 - pubs.aip.org
Atomtronics deals with matter-wave circuits of ultracold atoms manipulated through
magnetic or laser-generated guides with different shapes and intensities. In this way, new …

Modulational instability, inter-component asymmetry, and formation of quantum droplets in one-dimensional binary Bose gases

T Mithun, A Maluckov, K Kasamatsu, BA Malomed… - Symmetry, 2020 - mdpi.com
Quantum droplets are ultradilute liquid states that emerge from the competitive interplay of
two Hamiltonian terms, the mean-field energy and beyond-mean-field correction, in a weakly …

Creation and characterization of matter-wave breathers

D Luo, Y Jin, JHV Nguyen, BA Malomed… - Physical Review Letters, 2020 - APS
We report the creation of quasi-1D excited matter-wave solitons,“breathers,” by quenching
the strength of the interactions in a Bose-Einstein condensate with attractive interactions. We …

Collective excitations of a one-dimensional quantum droplet

M Tylutki, GE Astrakharchik, BA Malomed, DS Petrov - Physical Review A, 2020 - APS
We calculate the excitation spectrum of a one-dimensional self-bound quantum droplet in a
two-component bosonic mixture described by the Gross-Pitaevskii equation (GPE) with …

Dynamics of quantum solitons in Lee-Huang-Yang spin-orbit-coupled Bose-Einstein condensates

S Gangwar, R Ravisankar, P Muruganandam… - Physical Review A, 2022 - APS
We present the numerical results of the structure and dynamics of the self-bound ground
state arising solely because of the presence of beyond-mean-field quantum fluctuation in …

Soliton models: Traditional and novel, one-and multidimensional

BA Malomed - Low Temperature Physics, 2022 - pubs.aip.org
This article offers an introduction to the vast area of experimental and theoretical studies of
solitons. It is composed of two large parts. The first one provides a review of effectively one …

Interaction control and bright solitons in coherently coupled Bose-Einstein condensates

J Sanz, A Frölian, CS Chisholm, CR Cabrera… - Physical Review Letters, 2022 - APS
We demonstrate fast control of the interatomic interactions in a Bose-Einstein condensate by
coherently coupling two atomic states with intra-and interstate scattering lengths of opposite …

Quantized reflection of a soliton by a vibrating atomic mirror

W Xiong, P Gao, ZY Yang, WL Yang - Physical Review A, 2023 - APS
We numerically study the dynamics of a one-dimensional matter-wave soliton colliding with
a vibrating atomic mirror. After colliding, the soliton splits into several wave packets with …

Phase engineering of chirped rogue waves in Bose–Einstein condensates with a variable scattering length in an expulsive potential

E Kengne, BA Malomed, WM Liu - Communications in Nonlinear Science …, 2021 - Elsevier
We consider a cubic Gross-Pitaevskii (GP) equation governing the dynamics of Bose-
Einstein condensates (BECs) with time-dependent coefficients in front of the cubic term and …

Observation of traveling breathers and their scattering in a two-fluid system

Y Mao, S Chandramouli, W Xu, MA Hoefer - Physical Review Letters, 2023 - APS
The observation of traveling breathers (TBs) with large-amplitude oscillatory tails realizes an
almost 50-year-old theoretical prediction [EA Kuznetsov and AV Mikhailov, Stability of …