Results 31 to 40 of about 69,922 (266)

Manipulating biphotonic qutrits [PDF]

open access: yes, 2007
Quantum information carriers with higher dimension than the canonical qubit offer significant advantages. However, manipulating such systems is extremely difficult.
Gilchrist, A.   +6 more
core   +2 more sources

Heralded Entanglement between Atomic Ensembles: Preparation, Decoherence, and Scaling [PDF]

open access: yes, 2007
Heralded entanglement between collective excitations in two atomic ensembles is probabilistically generated, stored, and converted to single photon fields. By way of the concurrence, quantitative characterizations are reported for the scaling behavior of
Choi, K. S.   +4 more
core   +2 more sources

From entanglement certification with quench dynamics to multipartite entanglement of interacting fermions

open access: yesPhysical Review Research, 2021
Multipartite entanglement, such as witnessed through the quantum Fisher information (QFI), is a crucial resource for quantum technologies, but its experimental certification is highly challenging.
Ricardo Costa de Almeida, Philipp Hauke
doaj   +1 more source

Quantum optical waveform conversion [PDF]

open access: yes, 2010
Currently proposed architectures for long-distance quantum communication rely on networks of quantum processors connected by optical communications channels [1,2].
A. P. Vandevender   +3 more
core   +2 more sources

Aspects of entanglement in non-local field theories with fractional Laplacian

open access: yesJournal of High Energy Physics, 2022
In recent years, various aspects of theoretical models with long range interactions have attracted attention, ranging from out-of-time-ordered correlators to entanglement.
Pratim Roy
doaj   +1 more source

Population bound effects on bosonic correlations in non-inertial frames [PDF]

open access: yes, 2010
We analyse the effect of bounding the occupation number of bosonic field modes on the correlations among all the different spatial-temporal regions in a setting in which we have a space-time with a horizon along with an inertial observer.
C. W. Misner   +4 more
core   +3 more sources

Layer entanglement in multiplex, temporal multiplex, and coupled multilayer networks

open access: yesApplied Network Science, 2020
Complex networks, such as transportation networks, social networks, or biological networks, capture the complex system they model by often representing only one type of interactions. In real world systems, there may be many different aspects that connect
Blaž Škrlj, Benjamin Renoust
doaj   +1 more source

Entanglement in Time and Temporal Communication Complexity

open access: yesAIP Conference Proceedings, 2004
From assumptions of reality and locality in time, we develop a temporal analogue of a Bell inequality. We show how the predictions of quantum mechanics violate this inequality. We investigate how multiple-time correlations behave. Finally we introduce an application of this temporal correlation, showing how the violation of the temporal Bell's ...
Taylor, S   +3 more
openaire   +3 more sources

Generation, characterization, and manipulation of quantum correlations in electron beams

open access: yesnpj Quantum Information, 2021
Entanglement engineering plays a central role in quantum-enhanced technologies, with potential physical platforms that outperform their classical counterparts.
Shahaf Asban, F. Javier García de Abajo
doaj   +1 more source

Connecting Entanglement in Time and Space: Improving the Folding Algorithm

open access: yes, 2014
The "folding algorithm"\cite{fold1} is a matrix product state algorithm for simulating quantum systems that involves a spatial evolution of a matrix product state.
Hastings, M. B., Mahajan, R.
core   +1 more source

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