J Roik, K Bartkiewicz, A Černoch, K Lemr - Physics Letters A, 2022 - Elsevier
This paper investigates how to reduce the number of measurement configurations needed for sufficiently precise entanglement quantification. Instead of analytical formulae, we …
Many-body quantum systems can be characterized using the notions of k-separability and entanglement depth. A quantum state is k-separable if it can be expressed as a mixture of k …
Cross-platform verification, a critical undertaking in the realm of early-stage quantum computing, endeavors to characterize the similarity of two imperfect quantum devices …
We explore a supervised machine-learning approach to estimate the entanglement entropy of multiqubit systems from few experimental samples. We put a particular focus on …
Characterizing multipartite quantum systems is crucial for quantum computing and many- body physics. The problem, however, becomes challenging when the system size is large …
R Machulka, J Peřina Jr, V Michálek… - Physical Review …, 2024 - APS
The identification of nonclassical features of multiphoton quantum states represents a crucial task in the development of many quantum photonic technologies. Under realistic …
Machine learning techniques have achieved impressive results in recent years and the possibility of harnessing the power of quantum physics opens new promising avenues to …
Y Du, MH Hsieh, D Tao - arXiv preprint arXiv:2408.12199, 2024 - arxiv.org
The vast and complicated large-qubit state space forbids us to comprehensively capture the dynamics of modern quantum computers via classical simulations or quantum tomography …