Few-body Bose gases in low dimensions—A laboratory for quantum dynamics

SI Mistakidis, AG Volosniev, RE Barfknecht, T Fogarty… - Physics Reports, 2023 - Elsevier
Cold atomic gases have become a paradigmatic system for exploring fundamental physics,
which at the same time allows for applications in quantum technologies. The accelerating …

Correlation effects in the quench-induced phase separation dynamics of a two species ultracold quantum gas

SI Mistakidis, GC Katsimiga, PG Kevrekidis… - New Journal of …, 2018 - iopscience.iop.org
We explore the quench dynamics of a binary Bose–Einstein condensate crossing the
miscibility–immiscibility threshold and vice versa, both within and in particular beyond the …

MCTDH-X: The multiconfigurational time-dependent Hartree method for indistinguishable particles software

R Lin, P Molignini, L Papariello… - Quantum Science …, 2020 - iopscience.iop.org
We introduce and describe the multiconfigurational time-depenent Hartree for
indistinguishable particles (MCTDH-X) software, which is hosted, documented, and …

Negative-quench-induced excitation dynamics for ultracold bosons in one-dimensional lattices

SI Mistakidis, L Cao, P Schmelcher - Physical Review A, 2015 - APS
The nonequilibrium dynamics following a quench of strongly repulsive bosonic ensembles
in one-dimensional finite lattices is investigated by employing interaction quenches and/or a …

Many-body expansion dynamics of a Bose-Fermi mixture confined in an optical lattice

P Siegl, SI Mistakidis, P Schmelcher - Physical Review A, 2018 - APS
We unravel the correlated nonequilibrium dynamics of a mass balanced Bose-Fermi mixture
in a one-dimensional optical lattice upon quenching an imposed harmonic trap from strong …

Phase-separation dynamics induced by an interaction quench of a correlated Fermi-Fermi mixture in a double well

J Erdmann, SI Mistakidis, P Schmelcher - Physical Review A, 2019 - APS
We explore the interspecies interaction quench dynamics of ultracold spin-polarized few-
body mass-balanced Fermi-Fermi mixtures confined in a double well with an emphasis on …

Phases, many-body entropy measures, and coherence of interacting bosons in optical lattices

R Roy, A Gammal, MC Tsatsos, B Chatterjee… - Physical Review A, 2018 - APS
Already a few bosons with contact interparticle interactions in small optical lattices feature a
variety of quantum phases: superfluid, Mott-insulator, and fermionized Tonks gases can be …

Disordered Kitaev chain with long-range pairing: Loschmidt echo revivals and dynamical phase transitions

U Mishra, R Jafari, A Akbari - Journal of Physics A: Mathematical …, 2020 - iopscience.iop.org
We explore the dynamics of long-range Kitaev chain by varying pairing interaction exponent.
It is well known that the distinctive features of the nonequilibrium dynamics of a closed …

Quench-induced resonant tunneling mechanisms of bosons in an optical lattice with harmonic confinement

GM Koutentakis, SI Mistakidis, P Schmelcher - Physical Review A, 2017 - APS
The nonequilibrium dynamics of small boson ensembles in a one-dimensional optical lattice
is explored upon a sudden quench of an additional harmonic trap from strong to weak …

Correlated tunneling dynamics of an ultracold Fermi-Fermi mixture confined in a double well

J Erdmann, SI Mistakidis, P Schmelcher - Physical Review A, 2018 - APS
We unravel the correlated tunneling dynamics of a mass imbalanced few-body Fermi-Fermi
mixture upon quenching the tilt of a double well. The nonequilibrium dynamics of both …