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 …

Coherence and entanglement in a two-qubit system

M Orszag, M Hernandez - Advances in Optics and Photonics, 2010 - opg.optica.org
Entanglement is a fundamental concept in quantum mechanics. In this review, we study
various aspects of coherence and entanglement, illustrated by several examples. We relate …

Non-Markovian behavior of small and large complex quantum systems

M Žnidarič, C Pineda, I Garcia-Mata - Physical review letters, 2011 - APS
The channel induced by a complex system interacting strongly with a qubit is calculated
exactly under the assumption of randomness of its eigenvectors. The resulting channel is …

Extracting work from random collisions: A model of a quantum heat engine

V Shaghaghi, GM Palma, G Benenti - Physical Review E, 2022 - APS
We study the statistical distribution of the ergotropy and of the efficiency of a single-qubit
battery ad of a single-qubit Otto engine, respectively fueled by random collisions. The single …

Experimental investigation of environment-induced entanglement using an all-optical setup

MHM Passos, WF Balthazar, AZ Khoury, M Hor-Meyll… - Physical Review A, 2018 - APS
We investigate the generation of entanglement between two noninteracting qubits coupled
to a common reservoir. An experimental setup was conceived to encode one qubit on the …

Decoherence effects in interacting qubits under the influence of various environments

S Das, GS Agarwal - Journal of Physics B: Atomic, Molecular and …, 2009 - iopscience.iop.org
We study competition between the dissipative and coherent effects in the entanglement
dynamics of two qubits. The coherent interactions are needed for designing logic gate …

Relations between entanglement and purity in non-Markovian dynamics

CA González-Gutiérrez… - … Journal of Quantum …, 2016 - World Scientific
Knowledge of the relationships among different features of quantumness, like entanglement
and state purity, is important from both fundamental and practical viewpoints. Yet, this issue …

Partial thermalisation of a two-state system coupled to a finite quantum bath

P Crowley, A Chandran - SciPost Physics, 2022 - scipost.org
The eigenstate thermalisation hypothesis (ETH) is a statistical characterisation of eigen-
energies, eigenstates and matrix elements of local operators in thermalising quantum …

Relaxation due to random collisions with a many-qudit environment

G Gennaro, G Benenti, GM Palma - … Review A—Atomic, Molecular, and Optical …, 2009 - APS
We analyze the dynamics of a system qudit of dimension μ sequentially interacting with the ν-
dimensional qudits of a chain playing the role of an environment. Each pairwise collision …

Random matrix ensembles for many-body quantum systems

M Vyas, TH Seligman - AIP Conference Proceedings, 2018 - pubs.aip.org
Classical random matrix ensembles were originally introduced in physics to approximate
quantum many-particle nuclear interactions. However, there exists a plethora of quantum …