Catalysis in quantum information theory

P Lipka-Bartosik, H Wilming, NHY Ng - Reviews of Modern Physics, 2024 - APS
Catalysts open up new reaction pathways that can speed up chemical reactions while not
consuming the catalyst. A similar phenomenon has been discovered in quantum information …

Quantum LOSR networks cannot generate graph states with high fidelity

YX Wang, ZP Xu, O Gühne - npj Quantum Information, 2024 - nature.com
Quantum networks lead to novel notions of locality and correlations and an important
problem concerns the question of which quantum states can be experimentally prepared …

Every quantum helps: Operational advantage of quantum resources beyond convexity

K Kuroiwa, R Takagi, G Adesso, H Yamasaki - Physical Review Letters, 2024 - APS
Identifying what quantum-mechanical properties are useful to untap a superior performance
in quantum technologies is a pivotal question. Quantum resource theories provide a unified …

Genuine multipartite entanglement of quantum states in the multiple-copy scenario

C Palazuelos, JI De Vicente - Quantum, 2022 - quantum-journal.org
Genuine multipartite entanglement (GME) is considered a powerful form of entanglement
since it corresponds to those states that are not biseparable, ie a mixture of partially …

Entanglement detection with trace polynomials

A Rico, F Huber - Physical Review Letters, 2024 - APS
We provide a systematic method for nonlinear entanglement detection based on trace
polynomial inequalities. In particular, this allows us to employ multipartite witnesses for the …

Multipartite entanglement

P Horodecki, Ł Rudnicki, K Życzkowski - arxiv preprint arxiv:2409.04566, 2024 - arxiv.org
In this contribution we present a concise introduction to quantum entanglement in
multipartite systems. After a brief comparison between bipartite systems and the simplest …

Quantum networks cannot generate graph states with high fidelity

YX Wang, ZP Xu, O Gühne - arxiv preprint arxiv:2208.12100, 2022 - arxiv.org
Quantum networks lead to novel notions of locality and correlations which are not well
understood. An important problem concerns the question which states can be …

Completely entangled subspaces of entanglement depth

M Demianowicz, K Vogtt, R Augusiak - Physical Review A, 2024 - APS
We introduce a class of entangled subspaces: completely entangled subspaces of
entanglement depth k (k-CESs). These are subspaces of multipartite Hilbert spaces …

Investigating controlled teleportation capability of quantum states with respect to -separability

M Choi, J Shin, G Lee, E Bae - Physical Review A, 2024 - APS
Quantum teleportation is an essential application of quantum entanglement. The
examination of teleportation fidelity in two-party standard teleportation schemes reveals a …

Superactivation and Incompressibility of Genuine Multipartite Entanglement

LT Weinbrenner, K Baksová, S Denker… - arxiv preprint arxiv …, 2024 - arxiv.org
Quantum correlations in the form of entanglement, quantum steering or Bell nonlocality are
resources for various information-processing tasks, but their detailed quantification and …