Results 11 to 20 of about 12,995 (264)

Generation of Three-Mode Entanglement Based on Parametric Amplifiers Using Quantum Entanglement Swapping

open access: yesPhotonics, 2022
Quantum entanglement swapping is one of the most promising quantum techniques to create or manipulate large-scale multi-mode entanglement between two distant quantum entangled systems.
Hailong Wang, Ning Ru, Pingwei Lin
doaj   +1 more source

The Effect of Quantum Noise on Multipartite Entanglement from a Cascaded Parametric Amplifier

open access: yesPhotonics, 2023
The tripartite entanglement generated from a cascaded parametric amplifier is always present in the whole gain region in the ideal condition. However, in practical applications, the quantum entanglement is very fragile and easily deteriorated by quantum ...
Hailong Wang   +5 more
doaj   +1 more source

Exponential Clustering of Bipartite Quantum Entanglement at Arbitrary Temperatures

open access: yesPhysical Review X, 2022
Many inexplicable phenomena in low-temperature many-body physics are a result of macroscopic quantum effects. Such macroscopic quantumness is often evaluated via long-range entanglement, that is, entanglement in the macroscopic length scale.
Tomotaka Kuwahara, Keiji Saito
doaj   +1 more source

Quantumness and entanglement witnesses [PDF]

open access: yesJournal of Physics A: Mathematical and Theoretical, 2012
13 pages, 2 ...
Facchi, P.   +3 more
openaire   +4 more sources

Blindly verifying partially unknown entanglement

open access: yesiScience, 2022
Summary: Quantum entanglement has shown distinguished features beyond any classical state. Many methods have been presented to verify unknown entanglement with the complete information about the density matrices by quantum state tomography. In this work,
Ming-Xing Luo   +2 more
doaj   +1 more source

Quantum entanglement percolation [PDF]

open access: yesJournal of Physics B: Atomic, Molecular and Optical Physics, 2016
5 pages, 2 ...
openaire   +3 more sources

Power of Quantum Entanglement [PDF]

open access: yes, 2002
Quantum entanglement is arguably the most inherently quantum feature of quantum information, computation and communication — a feature that is at heart of quantum physics. Quantum entanglement is also increasingly often considered as being behind new and surprising power quantum computations and communications exhibit — comparing to the classical ...
Jozef Gruska   +2 more
openaire   +1 more source

Quantum entanglement on boundaries [PDF]

open access: yesJournal of High Energy Physics, 2013
25 pages, 3 ...
openaire   +3 more sources

Quantum entanglement in time [PDF]

open access: yesAIP Conference Proceedings, 2017
10 pages, 2 figures. An extended version of a conference paper. To appear in Quantum Retrocausation III (AIP Conference Proceedings edited by Daniel P. Sheehan)
openaire   +2 more sources

Cost of Quantum Entanglement Simplified [PDF]

open access: yesPhysical Review Letters, 2020
Quantum entanglement is a key physical resource in quantum information processing that allows for performing basic quantum tasks such as teleportation and quantum key distribution, which are impossible in the classical world. Ever since the rise of quantum information theory, it has been an open problem to quantify entanglement in an information ...
Xin Wang, Mark M. Wilde
openaire   +3 more sources

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