Open-system dynamics of entanglement: a key issues review

L Aolita, F De Melo, L Davidovich - Reports on Progress in …, 2015 - iopscience.iop.org
One of the greatest challenges in the fields of quantum information processing and quantum
technologies is the detailed coherent control over each and every constituent of quantum …

Generation of maximally entangled long-lived states with giant atoms in a waveguide

AC Santos, R Bachelard - Physical Review Letters, 2023 - APS
In this Letter, we show how to efficiently generate entanglement between two artificial giant
atoms with photon-mediated interactions in a waveguide. Taking advantage of the …

Generation of two-giant-atom entanglement in waveguide-QED systems

XL Yin, JQ Liao - Physical Review A, 2023 - APS
We study the generation of quantum entanglement between two giant atoms coupled to a
one-dimensional waveguide. Since each giant atom interacts with the waveguide at two …

Quantum antennas

GY Slepyan, S Vlasenko… - Advanced Quantum …, 2020 - Wiley Online Library
Due to the recent groundbreaking developments of nanotechnologies, it became possible to
create intrinsically quantum systems able to serve as high‐directional antennas in terahertz …

Dark periods and revivals of entanglement in a two-qubit system

Z Ficek, R Tanaś - Physical Review A—Atomic, Molecular, and Optical …, 2006 - APS
In a recent paper Yu and Eberly [Phys. Rev. Lett. 93, 140404 (2004)] have shown that two
initially entangled and afterward not interacting qubits can become completely disentangled …

Accuracy assessment of perturbative master equations: Embracing nonpositivity

R Hartmann, WT Strunz - Physical Review A, 2020 - APS
The reduced dynamics of an open quantum system obtained from an underlying
microscopic Hamiltonian can in general only approximately be described by a time-local …

Chiral route to spontaneous entanglement generation

C Gonzalez-Ballestero, A Gonzalez-Tudela… - Physical Review B, 2015 - APS
We study the spontaneous entanglement generation between two qubits chirally coupled to
a waveguide. The maximum achievable concurrence is demonstrated to increase by a factor …

Subradiance with saturated atoms: population enhancement of the long-lived states

A Cipris, NA Moreira, TS do Espirito Santo, P Weiss… - Physical Review Letters, 2021 - APS
Dipole-dipole interactions are at the origin of long-lived collective atomic states, often called
subradiant, which are explored for their potential use in novel photonic devices or in …

Entanglement dynamics for Unruh-DeWitt detectors interacting with massive scalar fields: the Unruh and anti-Unruh effects

Y Zhou, J Hu, H Yu - Journal of High Energy Physics, 2021 - Springer
A bstract We study, in the framework of open quantum systems, the entanglement dynamics
for a quantum system composed of two uniformly accelerated Unruh-Dewitt detectors …

Radiative process of two entangled uniformly accelerated atoms in a thermal bath: a possible case of anti-Unruh event

S Barman, BR Majhi - Journal of High Energy Physics, 2021 - Springer
A bstract We study the radiative process of two entangled two-level atoms uniformly
accelerated in a thermal bath, coupled to a massless scalar field. First, by using the positive …