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 …

Colloquium: Multiconfigurational time-dependent Hartree approaches for indistinguishable particles

AUJ Lode, C Lévêque, LB Madsen, AI Streltsov… - Reviews of Modern …, 2020 - APS
In this Colloquium, the wave-function-based multiconfigurational time-dependent Hartree
approaches to the dynamics of indistinguishable particles (MCTDH-F for fermions and …

Parametric excitation of a Bose-Einstein condensate: From Faraday waves to granulation

JHV Nguyen, MC Tsatsos, D Luo, AUJ Lode, GD Telles… - Physical Review X, 2019 - APS
We explore, both experimentally and theoretically, the response of an elongated Bose-
Einstein condensate to modulated interactions. We identify two distinct regimes differing in …

The multi-layer multi-configuration time-dependent Hartree method for bosons: Theory, implementation, and applications

L Cao, S Krönke, O Vendrell… - The Journal of Chemical …, 2013 - pubs.aip.org
We develop the multi-layer multi-configuration time-dependent Hartree method for bosons
(ML-MCTDHB), a variational numerically exact ab initio method for studying the quantum …

Exact quantum dynamics of a bosonic Josephson junction

K Sakmann, K Sakmann - Many-body Schrödinger dynamics of bose …, 2011 - Springer
The quantum dynamics of a one-dimensional bosonic Josephson junction is studied by
solving the time-dependent many-boson Schrödinger equation numerically exactly. Already …

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 …

Multiconfigurational time-dependent Hartree method for fermions: Implementation, exactness, and few-fermion tunneling to open space

E Fasshauer, AUJ Lode - Physical Review A, 2016 - APS
We report on an implementation of the multiconfigurational time-dependent Hartree method
(MCTDH) for spin-polarized fermions (MCTDHF). Our approach is based on a mapping for …

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 …

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 …

Multiconfigurational time-dependent Hartree method for bosons with internal degrees of freedom: Theory and composite fragmentation of multicomponent Bose …

AUJ Lode - Physical Review A, 2016 - APS
In this paper, the multiconfigurational time-dependent Hartree for bosons (MCTDHB) method
is derived for the case of N identical bosons with internal degrees of freedom. The theory for …