112 citations · 705 across the 31 of their papers we have counts for
33 papers
Radial dam breaks in a two-dimensional droplet bearing environment
F. Bristy, S. Chandramouli, G. A. Bougas +3
The controlled dynamical generation of radial dam break flows (DBFs) is demonstrated in two-dimensional droplet environments. These ultracold mixtures feature competing mean-field…
Two-dimensional solitons in extended GPE models with Lee-Huang-Yang corrections
G. N. Koutsokostas, F. Bristy, E. C. Psychogiou +5
We investigate the existence and dynamics of two-dimensional solitary waves in a quantum droplet environment described by the extended Gross-Pitaevskii equation featuring logarithm…
Spin mixing induced dynamics of spinor solitons in Bose Einstein condensates
T. Panagos, A. Romero-Ros, G. C. Katsimiga +2
We explore soliton interactions in a homogeneous spinor Bose Einstein Condensate (BEC) in the presence of a magnetic field, focusing on dark bright dark and bright dark brigh…
Conics Quadrics Mapping & Cones
Paul Zsombor-Murray, Martin Pfurner
An efficient way to get implicit equations of conics on five points and quadrics on nine, using pencils of conics and quadrics, is revealed. Parallel axis right cones intersect on…
Observation of vector rogue waves in repulsive three-component atomic mixtures
G. A. Bougas, G. C. Katsimiga, S. Mossman +3
Rogue waves are extreme evanescent nonlinear structures that are challenging to observe in atomic gases, as their emergence requires a dynamically unstable attractive environment.…
Rogue waves in extended Gross-Pitaevskii Models with a Lee-Huang-Yang correction
Sathyanarayanan Chandramouli, Simeon I. Mistakidis, Garyfallia C. Katsimiga +3
We explore the existence and dynamical generation of rogue waves (RWs) within a one dimensional quantum droplet bearing environment. RWs are computed by deploying a spacetime fixed…
Localization and splitting of a quantum droplet with a potential defect
F. Bristy, G. A. Bougas, G. C. Katsimiga +1
We unravel the existence and nonequilibrium response of one-dimensional harmonically trapped droplet configurations in the presence of a central potential barrier or well. For fixe…
Nonlinear stage of modulational instability in repulsive two-component Bose-Einstein condensates
S. Mossman, S. I. Mistakidis, G. C. Katsimiga +5
Modulational instability (MI) is a fundamental phenomenon in the study of nonlinear dynamics, spanning diverse areas such as shallow water waves, optics, and ultracold atomic gases…
Stability and dynamics of nonlinear excitations in a two-dimensional droplet-bearing environment
G. Bougas, G. C. Katsimiga, P. G. Kevrekidis +1
We unravel stationary states in the form of dark soliton stripes, bubbles, and kinks embedded in a two-dimensional droplet-bearing setting emulated by an extended Gross-Pitaevskii…
Dispersive shock waves in a one-dimensional droplet-bearing environment
Sathyanarayanan Chandramouli, Simeon I. Mistakidis, Garyfallia C. Katsimiga +1
We demonstrate the controllable generation of distinct types of dispersive shock-waves emerging in a quantum droplet bearing environment with the aid of step-like initial condition…
Interactions and dynamics of one-dimensional droplets, bubbles and kinks
G. C. Katsimiga, S. I. Mistakidis, B. A. Malomed +3
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-dimensi…
Solitary waves in a quantum droplet-bearing system
G. C. Katsimiga, S. I. Mistakidis, G. N. Koutsokostas +3
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 homonuclear…
Observation of dense collisional soliton complexes in a two-component Bose-Einstein condensate
S. Mossman, G. C. Katsimiga, S. I. Mistakidis +5
Solitons are nonlinear solitary waves which maintain their shape over time and through collisions, occurring in a variety of nonlinear media from plasmas to optics. We present an e…
Theoretical and numerical evidence for the potential realization of the Peregrine soliton in repulsive two-component Bose-Einstein condensates
A. Romero-Ros, G. C. Katsimiga, S. I. Mistakidis +4
The present work is motivated by the recent experimental realization of the Townes soliton in an effective two-component Bose-Einstein condensate by B. Bakkali-Hassan et al. [Phys.…
On-demand generation of dark-bright soliton trains in Bose-Einstein condensates
A. Romero-Ros, G. C. Katsimiga, P. Kevrekidis +3
The controlled creation of dark-bright (DB) soliton trains in multi-component Bose-Einstein condensates (BECs) is a topic of ongoing interest. In this work we generalize earlier fi…
Stability and dynamics across magnetic phases of vortex-bright type excitations in spinor Bose-Einstein condensates
G. C. Katsimiga, S. I. Mistakidis, K. Mukherjee +2
The static properties, i.e., existence and stability, as well as the quench-induced dynamics of vortex-bright type excitations in two-dimensional harmonically confined spin-1 Bose-…
On-demand generation of dark soliton trains in Bose-Einstein condensates
A. Romero-Ros, G. C. Katsimiga, P. G. Kevrekidis +3
Matter-wave interference mechanisms in one-dimensional Bose-Einstein condensates that allow for the controlled generation of dark soliton trains upon choosing suitable box-type ini…
Phase Diagram, Stability and Magnetic Properties of Nonlinear Excitations in Spinor Bose-Einstein Condensates
G. C. Katsimiga, S. I. Mistakidis, P. Schmelcher +1
We present the phase diagram, the underlying stability and magnetic properties as well as the dynamics of nonlinear solitary wave excitations arising in the distinct phases of a ha…
Observation and Analysis of Multiple Dark-Antidark Solitons in Two-Component Bose-Einstein Condensates
G. C. Katsimiga, S. I. Mistakidis, T. M. Bersano +6
We report on the static and dynamical properties of multiple dark-antidark solitons (DADs) in two-component, repulsively interacting Bose-Einstein condensates. Motivated by experim…
Pump Probe Spectroscopy of Bose Polarons: Dynamical Formation and Coherence
S. I. Mistakidis, G. C. Katsimiga, G. M. Koutentakis +2
We propose and investigate a pump-probe spectroscopy scheme to unveil the time-resolved dynamics of fermionic or bosonic impurities immersed in a harmonically trapped Bose-Einstein…
Many-body quantum dynamics and induced correlations of Bose polarons
S. I. Mistakidis, G. M. Koutentakis, G. C. Katsimiga +2
We study the ground state properties and nonequilibrium dynamics of two spinor bosonic impurities immersed in a one-dimensional bosonic gas upon applying an interspecies interactio…
Controlled Generation of Dark-Bright Soliton Complexes in Two-Component and Spinor Bose-Einstein Condensates
A. Romero-Ros, G. C. Katsimiga, P. G. Kevrekidis +1
We report on the controlled creation of multiple soliton complexes of the dark-bright type in one-dimensional two-component, three-component and spinor Bose-Einstein condensates. T…
Spontaneous generation of dark-bright and dark-antidark solitons upon quenching a particle-imbalanced bosonic mixture
H. Kiehn, S. I. Mistakidis, G. C. Katsimiga +1
We unveil the dynamical formation of multiple localized structures in the form of dark-bright and dark-antidark solitary waves that emerge upon quenching a one-dimensional particle…
Quench Dynamics and Orthogonality Catastrophe of Bose Polarons
S. I. Mistakidis, G. C. Katsimiga, G. M. Koutentakis +2
We monitor the correlated quench induced dynamical dressing of a spinor impurity repulsively interacting with a Bose-Einstein condensate. Inspecting the temporal evolution of the s…