The dissipative Bose-Hubbard model: Methods and examples

G Kordas, D Witthaut, P Buonsante, A Vezzani… - The European Physical …, 2015 - Springer
Open many-body quantum systems have attracted renewed interest in the context of
quantum information science and quantum transport with biological clusters and ultracold …

The modified logarithmic Sobolev inequality for quantum spin systems: classical and commuting nearest neighbour interactions

Á Capel, C Rouzé, DS França - arxiv preprint arxiv:2009.11817, 2020 - arxiv.org
Given a uniform, frustration-free family of local Lindbladians defined on a quantum lattice
spin system in any spatial dimension, we prove a strong exponential convergence in relative …

Beyond mean-field dynamics in open Bose-Hubbard chains

D Witthaut, F Trimborn, H Hennig, G Kordas… - Physical Review A …, 2011 - APS
We investigate the effects of phase noise and particle loss on the dynamics of a Bose-
Einstein condensate in an optical lattice. Starting from the many-body master equation, we …

Entanglement and chaos in the kicked top

M Lombardi, A Matzkin - Physical Review E—Statistical, Nonlinear, and Soft …, 2011 - APS
The standard kicked top involves a periodically kicked angular momentum. By considering
this angular momentum as a collection of entangled spins, we compute the bipartite …

Controllable dissipative quantum droplets in one-dimensional optical lattices

Z Zhou, Y Shi, S Tang, H Deng, H Wang, X He… - Chaos, Solitons & …, 2021 - Elsevier
We investigate the dynamics of dissipative quantum droplets (QDs) forming in one-
dimensional binary Bose gases subjected to three-body recombination loss and linear gain …

Nonlinear phase dynamics in a driven bosonic josephson junction

E Boukobza, MG Moore, D Cohen, A Vardi - Physical review letters, 2010 - APS
We study the collective dynamics of a driven two-mode Bose-Hubbard model in the
Josephson interaction regime. The classical phase space is mixed, with chaotic and regular …

Non‐equilibrium dynamics in dissipative Bose‐Hubbard chains

G Kordas, D Witthaut, S Wimberger - Annalen der Physik, 2015 - Wiley Online Library
Open many‐body quantum systems have recently gained renewed interest in the context of
quantum information science and quantum transport with biological clusters and ultracold …

Dissipation-induced macroscopic entanglement in an open optical lattice

G Kordas, S Wimberger, D Witthaut - Europhysics Letters, 2012 - iopscience.iop.org
We introduce a method for the dissipative preparation of strongly correlated quantum states
of ultracold atoms in an optical lattice via localized particle loss. The interplay of dissipation …

Decay and fragmentation in an open Bose-Hubbard chain

G Kordas, S Wimberger, D Witthaut - … Review A—Atomic, Molecular, and Optical …, 2013 - APS
We analyze the decay of ultracold atoms from an optical lattice with loss from a single lattice
site. If the initial state is dynamically stable, a suitable amount of dissipation can stabilize a …

Optimal control of quantum superpositions in a bosonic Josephson junction

M Lapert, G Ferrini, D Sugny - Physical Review A—Atomic, Molecular, and …, 2012 - APS
We show how to optimally control the creation of quantum superpositions in a bosonic
Josephson junction within the two-site Bose-Hubbard-model framework. Both geometric and …