Noisy intermediate-scale quantum algorithms

K Bharti, A Cervera-Lierta, TH Kyaw, T Haug… - Reviews of Modern …, 2022 - APS
A universal fault-tolerant quantum computer that can efficiently solve problems such as
integer factorization and unstructured database search requires millions of qubits with low …

Cavity-based architecture to preserve quantum coherence and entanglement

ZX Man, YJ **a, R Lo Franco - Scientific reports, 2015 - nature.com
Quantum technology relies on the utilization of resources, like quantum coherence and
entanglement, which allow quantum information and computation processing. This …

Robust engineering of maximally entangled states by identical particle interferometry

M Piccolini, V Giovannetti… - Advanced Quantum …, 2023 - Wiley Online Library
This study proposes a procedure for the robust preparation of maximally entangled states of
identical fermionic qubits, studying the role played by particle statistics in the process. The …

Non-Markovian relaxation of a three-level system: Quantum trajectory approach

J **g, T Yu - Physical review letters, 2010 - APS
The non-Markovian dynamics of a three-level quantum system coupled to a bosonic
environment is a difficult problem due to the lack of an exact dynamic equation such as a …

Asymptotically deterministic robust preparation of maximally entangled bosonic states

M Piccolini, V Giovannetti, R Lo Franco - Physical Review Research, 2024 - APS
We introduce a theoretical scheme to prepare a pure Bell singlet state of two bosonic qubits,
in a way that is robust under the action of arbitrary local noise. Focusing on a photonic …

Indistinguishability-assisted two-qubit entanglement distillation

F Nosrati, B Bellomo, G De Chiara… - Quantum Science …, 2024 - iopscience.iop.org
Production of quantum states exhibiting a high degree of entanglement out of noisy
conditions is one of the main goals of quantum information science. Here, we provide a …

Entanglement robustness via spatial deformation of identical particle wave functions

M Piccolini, F Nosrati, G Compagno, P Livreri… - Entropy, 2021 - mdpi.com
We address the problem of entanglement protection against surrounding noise by a
procedure suitably exploiting spatial indistinguishability of identical subsystems. To this …

Protecting quantum resources via frequency modulation of qubits in leaky cavities

A Mortezapour, R Lo Franco - Scientific reports, 2018 - nature.com
Finding strategies to preserve quantum resources in open systems is nowadays a main
requirement for reliable quantum-enhanced technologies. We address this issue by …

Robust generation of N-partite N-level singlet states by identical particle interferometry

M Piccolini, M Karczewski, A Winter… - Quantum Science and …, 2024 - iopscience.iop.org
We propose an interferometric scheme for generating the totally antisymmetric state of N
identical bosons with N internal levels (generalized singlet). This state is a resource for …

Effective method of calculating the non-Markovianity for single-channel open systems

Z He, J Zou, L Li, B Shao - Physical Review A—Atomic, Molecular, and Optical …, 2011 - APS
We propose an effective method which can simplify the optimization of the increase of the
trace distance over all pairs of initial states in calculating the non-Markovianity N for single …