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Quantum entanglement [PDF]

open access: yesReviews of Modern Physics, 2007
All our former experience with application of quantum theory seems to say: {\it what is predicted by quantum formalism must occur in laboratory}. But the essence of quantum formalism - entanglement, recognized by Einstein, Podolsky, Rosen and Schr ...
Horodecki, Karol   +3 more
core   +6 more sources

Quantum Entanglement and Communication Complexity [PDF]

open access: greenBRICS Report Series, 1997
We consider a variation of the multi-party communication complexity scenario where the parties are supplied with an extra resource: particles in an entangled quantum state.
Bell J. S.   +5 more
core   +16 more sources

Observation of quantum entanglement with top quarks at the ATLAS detector. [PDF]

open access: yesNature, 2023
Entanglement is a key feature of quantum mechanics1–3, with applications in fields such as metrology, cryptography, quantum information and quantum computation4–8.
ATLAS Collaboration.
europepmc   +3 more sources

Exact entanglement cost of quantum states and channels under PPT-preserving operations [PDF]

open access: yesPhysical Review Letters, 2018
This paper establishes single-letter formulas for the exact entanglement cost of generating bipartite quantum states and simulating quantum channels under free quantum operations that completely preserve positivity of the partial transpose (PPT).
Wang, Xin, Wilde, Mark M.
core   +2 more sources

Quantum entanglement between an atom and a molecule. [PDF]

open access: yesNature, 2020
Conventional information processors convert information between different physical carriers for processing, storage and transmission. It seems plausible that quantum information will also be held by different physical carriers in applications such as ...
Lin Y   +3 more
europepmc   +3 more sources

Quantum entanglement and entropy [PDF]

open access: greenPhysical Review A, 2001
27 pages, 0 ...
Filippo Giraldi, Paolo Grigolini
openalex   +6 more sources

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

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

Quantum entanglement recognition [PDF]

open access: yesPhysical Review Research, 2021
Entanglement constitutes a key characteristic feature of quantum matter. Its detection, however, still faces major challenges. In this letter, we formulate a framework for probing entanglement based on machine learning techniques. The central element is a protocol for the generation of statistical images from quantum many-body states, with which we ...
Markus Heyl   +2 more
openaire   +5 more sources

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

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