Dynamics of non-Markovian open quantum systems

I De Vega, D Alonso - Reviews of Modern Physics, 2017 - APS
Open quantum systems (OQSs) cannot always be described with the Markov approximation,
which requires a large separation of system and environment time scales. An overview is …

Dissipative production of a maximally entangled steady state of two quantum bits

Y Lin, JP Gaebler, F Reiter, TR Tan, R Bowler… - Nature, 2013 - nature.com
Entangled states are a key resource in fundamental quantum physics, quantum
cryptography and quantum computation. Introduction of controlled unitary processes …

Noise-assisted digital quantum simulation of open systems using partial probabilistic error cancellation

JD Guimarães, J Lim, MI Vasilevskiy, SF Huelga… - PRX Quantum, 2023 - APS
Quantum systems are inherently open and susceptible to environmental noise, which can
have both detrimental and beneficial effects on their dynamics. This phenomenon has been …

Implementation of quantum and classical discrete fractional Fourier transforms

S Weimann, A Perez-Leija, M Lebugle, R Keil… - Nature …, 2016 - nature.com
Fourier transforms, integer and fractional, are ubiquitous mathematical tools in basic and
applied science. Certainly, since the ordinary Fourier transform is merely a particular case of …

Scalable dissipative preparation of many-body entanglement

F Reiter, D Reeb, AS Sørensen - Physical review letters, 2016 - APS
We present a technique for the dissipative preparation of highly entangled multiparticle
states of atoms coupled to common oscillator modes. By combining local spontaneous …

Characterizing quantum dynamics with initial system-environment correlations

M Ringbauer, CJ Wood, K Modi, A Gilchrist, AG White… - Physical review …, 2015 - APS
We fully characterize the reduced dynamics of an open quantum system initially correlated
with its environment. Using a photonic qubit coupled to a simulated environment, we …

Fixing detailed balance in ancilla-based dissipative state engineering

N Lambert, M Cirio, JD Lin, P Menczel, P Liang… - Physical Review …, 2024 - APS
Dissipative state engineering is a general term for a protocol which prepares the ground
state of a complex many-body Hamiltonian using engineered dissipation or engineered …

Dissipative quantum control of a spin chain

G Morigi, J Eschner, C Cormick, Y Lin, D Leibfried… - Physical Review Letters, 2015 - APS
A protocol is discussed for preparing a spin chain in a generic many-body state in the
asymptotic limit of tailored nonunitary dynamics. The dynamics require the spectral …

Initialization of quantum simulators by sympathetic cooling

M Raghunandan, F Wolf, C Ospelkaus, PO Schmidt… - Science …, 2020 - science.org
Simulating computationally intractable many-body problems on a quantum simulator holds
great potential to deliver insights into physical, chemical, and biological systems. While the …

Photon-Mediated Interactions: A Scalable Tool to Create and Sustain Entangled States of Atoms

C Aron, M Kulkarni, HE Türeci - Physical Review X, 2016 - APS
We propose and study the use of photon-mediated interactions for the generation of long-
range steady-state entanglement between N atoms. Through the judicious use of coherent …