Witnessing entanglement and quantum correlations in condensed matter: A review

P Laurell, A Scheie, E Dagotto… - Advanced Quantum …, 2024 - Wiley Online Library
The detection and certification of entanglement and quantum correlations in materials is of
fundamental and far‐reaching importance, and has seen significant recent progress. It …

Quantum self-attention neural networks for text classification

G Li, X Zhao, X Wang - Science China Information Sciences, 2024 - Springer
An emerging direction of quantum computing is to establish meaningful quantum
applications in various fields of artificial intelligence, including natural language processing …

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 …

Noise effects on purity and quantum entanglement in terms of physical implementability

Y Guo, S Yang - npj Quantum Information, 2023 - nature.com
Quantum decoherence due to imperfect manipulation of quantum devices is a key issue in
the noisy intermediate-scale quantum (NISQ) era. Standard analyses in quantum …

Variational quantum algorithms: fundamental concepts, applications and challenges

H Qi, S **ao, Z Liu, C Gong, A Gani - Quantum Information Processing, 2024 - Springer
Quantum computing is a new discipline combining quantum mechanics and computer
science, which is expected to solve technical problems that are difficult for classical …

Power of quantum measurement in simulating unphysical operations

X Zhao, L Zhang, B Zhao, X Wang - arxiv preprint arxiv:2309.09963, 2023 - arxiv.org
The manipulation of quantum states through linear maps beyond quantum operations has
many important applications in various areas of quantum information processing. Current …

The promising path of evolutionary optimization to avoid barren plateaus

J Nádori, G Morse, Z Majnay-Takács… - arxiv preprint arxiv …, 2024 - arxiv.org
Variational quantum algorithms are viewed as promising candidates for demonstrating
quantum advantage on near-term devices. These approaches typically involve the training …

Avoiding barren plateaus in the variational determination of geometric entanglement

L Zambrano, AD Muñoz-Moller, M Muñoz… - Quantum Science …, 2024 - iopscience.iop.org
The barren plateau (BP) phenomenon is one of the main obstacles to implementing
variational quantum algorithms in the current generation of quantum processors. Here, we …

Stochastic optimization algorithms for quantum applications

J Gidi, B Candia, AD Muñoz-Moller, A Rojas, L Pereira… - Physical Review A, 2023 - APS
Hybrid classical quantum optimization methods have become an important tool for efficiently
solving problems in the current generation of noisy intermediate-scale quantum computers …

Optimal unilocal virtual quantum broadcasting

H Yao, X Liu, C Zhu, X Wang - Physical Review A, 2024 - APS
Quantum broadcasting is central to quantum information processing and characterizes the
correlations within quantum states. Nonetheless, traditional quantum broadcasting …