Semidefinite programming relaxations for quantum correlations

A Tavakoli, A Pozas-Kerstjens, P Brown… - Reviews of Modern Physics, 2024 - APS
Semidefinite programs are convex optimization problems involving a linear objective
function and a domain of positive-semidefinite matrices. Over the past two decades, they …

[書籍][B] Alice and Bob meet Banach

G Aubrun, SJ Szarek - 2017 - books.google.com
The quest to build a quantum computer is arguably one of the major scientific and
technological challenges of the twenty-first century, and quantum information theory (QIT) …

The power of unentangled quantum proofs with non-negative amplitudes

FG Jeronimo, P Wu - Proceedings of the 55th Annual ACM Symposium …, 2023 - dl.acm.org
Quantum entanglement is a fundamental property of quantum mechanics and it serves as a
basic resource in quantum computation and information. Despite its importance, the power …

Non-asymptotic entanglement distillation

K Fang, X Wang, M Tomamichel… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Entanglement distillation, an essential quantum information processing task, refers to the
conversion from multiple copies of noisy entangled states to a smaller number of highly …

Semidefinite programming strong converse bounds for classical capacity

X Wang, W **e, R Duan - IEEE Transactions on Information …, 2017 - ieeexplore.ieee.org
We investigate the classical communication over quantum channels when assisted by no-
signaling and positive-partial-transpose-preserving (PPT) codes, for which both the optimal …

Quantifying high dimensional entanglement with two mutually unbiased bases

P Erker, M Krenn, M Huber - Quantum, 2017 - quantum-journal.org
We derive a framework for quantifying entanglement in multipartite and high dimensional
systems using only correlations in two unbiased bases. We furthermore develop such …

Quantum interior point methods for semidefinite optimization

B Augustino, G Nannicini, T Terlaky, LF Zuluaga - Quantum, 2023 - quantum-journal.org
We present two quantum interior point methods for semidefinite optimization problems,
building on recent advances in quantum linear system algorithms. The first scheme, more …

Complete hierarchy of linear systems for certifying quantum entanglement of subspaces

N Johnston, B Lovitz, A Vijayaraghavan - Physical Review A, 2022 - APS
We introduce a hierarchy of linear systems for showing that a given subspace of pure
quantum states is entangled (ie, contains no product states). This hierarchy outperforms …

Dimension-free entanglement detection in multipartite Werner states

F Huber, I Klep, V Magron, J Volčič - Communications in Mathematical …, 2022 - Springer
Werner states are multipartite quantum states that are invariant under the diagonal
conjugate action of the unitary group. This paper gives a complete characterization of their …

Efficient bipartite entanglement detection scheme with a quantum adversarial solver

XF Yin, Y Du, YY Fei, R Zhang, LZ Liu, Y Mao, T Liu… - Physical Review Letters, 2022 - APS
The recognition of entanglement states is a notoriously difficult problem when no prior
information is available. Here, we propose an efficient quantum adversarial bipartite …