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 …

Interacting bosons in a triple well: Preface of many-body quantum chaos

K Wittmann W, ER Castro, A Foerster, LF Santos - Physical Review E, 2022 - APS
Systems of interacting bosons in triple-well potentials are of significant theoretical and
experimental interest. They are explored in contexts that range from quantum phase …

Protocol designs for NOON states

DS Grün, K Wittmann W, LH Ymai, J Links… - Communications …, 2022 - nature.com
The ability to reliably prepare non-classical states will play a major role in the realization of
quantum technology. NOON states, belonging to the class of Schrödinger cat states, have …

Controlling entanglement in a triple-well system of dipolar atoms

LH Ymai, BHC Barros, J Links, A Foerster - Physical Review A, 2023 - APS
We study the dynamics of entanglement and atomic populations of ultracold dipolar bosons
in an aligned three-well potential described by an extended Bose-Hubbard model. We focus …

Integrable atomtronic interferometry

DS Grün, LH Ymai, K Wittmann W, AP Tonel… - Physical Review Letters, 2022 - APS
High sensitivity quantum interferometry requires more than just access to entangled states. It
is achieved through the deep understanding of quantum correlations in a system. Integrable …

Nonlinear dynamics of Rydberg-dressed Bose-Einstein condensates in a triple-well potential

G McCormack, R Nath, W Li - Physical Review A, 2020 - APS
We study nonlinear dynamics of Rydberg-dressed Bose-Einstein condensates (BECs)
trapped in a triple-well potential in the semiclassical limit. The Rydberg-dressed BECs …

Quantum-classical correspondence in a triple-well bosonic model: From integrability to chaos

ER Castro, J Chávez-Carlos, I Roditi, A Foerster… - Physical Review A, 2024 - APS
In this work, we investigate the semiclassical limit of a simple bosonic quantum many-body
system exhibiting both integrable and chaotic behavior. A classical Hamiltonian is derived …

[HTML][HTML] Occupancy probabilities in superintegrable bosonic networks

L Bennett, A Foerster, PS Isaac, J Links - Nuclear Physics B, 2024 - Elsevier
We associate a bosonic network to each complete bipartite graph. A Hamiltonian is defined
with hop** terms on the edges of the graph, and a global interaction term depending on …

Quantum-classical correspondence of a system of interacting bosons in a triple-well potential

ER Castro, J Chávez-Carlos, I Roditi, LF Santos… - Quantum, 2021 - quantum-journal.org
We study the quantum-classical correspondence of an experimentally accessible system of
interacting bosons in a tilted triple-well potential. With the semiclassical analysis, we get a …

Engineering entanglement Hamiltonians with strongly interacting cold atoms in optical traps

RE Barfknecht, T Mendes-Santos, L Fallani - Physical Review Research, 2021 - APS
We present a proposal for the realization of entanglement Hamiltonians in one-dimensional
critical spin systems with strongly interacting cold atoms. Our approach is based on the …