Nonlinear waves in -symmetric systems

VV Konotop, J Yang, DA Zezyulin - Reviews of Modern Physics, 2016 - APS
Recent progress on nonlinear properties of parity-time (PT)-symmetric systems is
comprehensively reviewed in this article. PT symmetry started out in non-Hermitian quantum …

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 …

Rise and fall, and slow rise again, of operator entanglement under dephasing

D Wellnitz, G Preisser, V Alba, J Dubail… - Physical Review Letters, 2022 - APS
The operator space entanglement entropy, or simply “operator entanglement”(OE), is an
indicator of the complexity of quantum operators and of their approximability by matrix …

Ultracold quantum wires with localized losses: Many-body quantum Zeno effect

H Fröml, C Muckel, C Kollath, A Chiocchetta, S Diehl - Physical Review B, 2020 - APS
We study a one-dimensional system of interacting spinless fermions subject to a localized
loss, where the interplay of gapless quantum fluctuations and particle interactions leads to …

Non-Gaussian correlations imprinted by local dephasing in fermionic wires

PE Dolgirev, J Marino, D Sels, E Demler - Physical Review B, 2020 - APS
We study the behavior of an extended fermionic wire coupled to a local stochastic field.
Since the quantum jump operator is Hermitian and quadratic in fermionic operators, it …

Macroscopic Zeno Effect in a Su–Schrieffer–Heeger Photonic Topological Insulator

SK Ivanov, SA Zhuravitskii, NN Skryabin… - Laser & Photonics …, 2023 - Wiley Online Library
The quantum Zeno effect refers to the slowdown of the decay of a quantum system due to
frequent measurements. It has been extended beyond quantum systems, manifesting itself …

Quantum-classical correspondence for a non-Hermitian Bose-Hubbard dimer

EM Graefe, HJ Korsch, AE Niederle - Physical Review A—Atomic, Molecular …, 2010 - APS
We investigate the many-particle and mean-field correspondence for a non-Hermitian N-
particle Bose-Hubbard dimer where a complex on-site energy describes an effective decay …

Interaction-induced impeding of decoherence and anomalous diffusion

D Poletti, JS Bernier, A Georges, C Kollath - Physical Review Letters, 2012 - APS
We study how the interplay of dissipation and interactions affects the dynamics of a bosonic
many-body quantum system. In the presence of both dissipation and strongly repulsive …

Bath-induced Zeno localization in driven many-body quantum systems

T Maimbourg, DM Basko, M Holzmann, A Rosso - Physical Review Letters, 2021 - APS
We study a quantum interacting spin system subject to an external drive and coupled to a
thermal bath of vibrational modes, uncorrelated for different spins, serving as a model for …

Emergence of glasslike dynamics for dissipative and strongly interacting bosons

D Poletti, P Barmettler, A Georges, C Kollath - Physical Review Letters, 2013 - APS
We study the dynamics of a strongly interacting bosonic quantum gas in an optical lattice
potential under the effect of a dissipative environment. We show that the interplay between …