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Advances in quantum entanglement purification [PDF]

open access: yesScience China Physics Mechanics and Astronomy, 2023
Since its discovery, the quantum entanglement becomes a promising resource in quantum communication and computation. However, the entanglement is fragile due to the presence of noise in quantum channels.
Pei-Shun Yan   +3 more
semanticscholar   +1 more source

Quantum entanglement and Bell inequality violation in semi-leptonic top decays [PDF]

open access: yesJournal of High Energy Physics, 2023
Quantum entanglement is a fundamental property of quantum mechanics. Recently, studies have explored entanglement in the tt¯\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage ...
Tao Han, M. Low, T. Wu
semanticscholar   +1 more source

Entanglement of nanophotonic quantum memory nodes in a telecom network [PDF]

open access: yesNature, 2023
A key challenge in realizing practical quantum networks for long-distance quantum communication involves robust entanglement between quantum memory nodes connected by fibre optical infrastructure1–3.
C. Knaut   +16 more
semanticscholar   +1 more source

Entanglement-Assisted Quantum Networks: Mechanics, Enabling Technologies, Challenges, and Research Directions [PDF]

open access: yesIEEE Communications Surveys and Tutorials, 2023
Over the past few decades, significant progress has been made in quantum information technology, from theoretical studies to experimental demonstrations.
Zhonghui Li   +9 more
semanticscholar   +1 more source

Laboratory-frame tests of quantum entanglement in $H \to WW$ [PDF]

open access: yes, 2022
Quantum entanglement between the two $W$ bosons resulting from the decay of a Higgs boson may be investigated in the dilepton channel $H \to WW \to \ell \nu \ell \nu$ using laboratory-frame observables that only involve the charged leptons $\ell=e,\mu ...
J. A. Aguilar-Saavedra
semanticscholar   +1 more source

Device-independent characterization of entanglement based on bell nonlocality

open access: yesFundamental Research, 2021
Quantum entanglement, has been acknowledged as a precious resource due to its inherent nonclassical correlations between subsystems. These quantum correlations have the potential for many quantum processes, including canonical ones: quantum cryptography,
Geng Chen   +4 more
doaj   +1 more source

Entanglement: quantum or classical? [PDF]

open access: yesReports on Progress in Physics, 2020
From its seemingly non-intuitive and puzzling nature, most evident in numerous EPR-like gedankenexperiments to its almost ubiquitous presence in quantum technologies, entanglement is at the heart of modern quantum physics. First introduced by Erwin Schr dinger nearly a century ago, entanglement has remained one of the most fascinating ideas that came ...
Dilip Paneru   +4 more
openaire   +5 more sources

Detecting quantum entanglement with unsupervised learning [PDF]

open access: yesQuantum Science and Technology, 2021
Quantum properties, such as entanglement and coherence, are indispensable resources in various quantum information processing tasks. However, there still lacks an efficient and scalable way to detecting these useful features especially for high ...
Yiwei Chen   +3 more
semanticscholar   +1 more source

Universal signature of quantum entanglement across cosmological distances [PDF]

open access: yesClassical and quantum gravity, 2021
Although the paradigm of inflation has been extensively studied to demonstrate how macroscopic inhomogeneities in our Universe originate from quantum fluctuations, most of the established literature ignores the crucial role that entanglement between the ...
Suddhasattwa Brahma   +2 more
semanticscholar   +1 more source

Transitions in Entanglement Complexity in Random Circuits [PDF]

open access: yesQuantum, 2022
Entanglement is the defining characteristic of quantum mechanics. Bipartite entanglement is characterized by the von Neumann entropy. Entanglement is not just described by a number, however; it is also characterized by its level of complexity.
Sarah True, Alioscia Hamma
doaj   +1 more source

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