Results 61 to 70 of about 1,288 (197)

Channel activation of CHSH nonlocality

open access: yesNew Journal of Physics, 2020
Quantum channels that break CHSH nonlocality on all input states are known as CHSH-breaking channels. In quantum networks, such channels are useless for distributing correlations that can violate the CHSH Inequality.
Yujie Zhang   +3 more
doaj   +1 more source

Certification of non-classicality in all links of a photonic star network without assuming quantum mechanics

open access: yesNature Communications, 2023
Networks composed of independent sources of entangled particles that connect distant users are a rapidly developing quantum technology and an increasingly promising test-bed for fundamental physics.
Ning-Ning Wang   +8 more
doaj   +1 more source

Nonlocal aspects of a quantum wave [PDF]

open access: yesPhysical Review A, 2000
Various aspects of nonlocality of a quantum wave are discussed. In particular, the question of the possibility of extracting information about the relative phase in a quantum wave is analyzed. It is argued that there is a profound difference in the nonlocal properties of the quantum wave between fermion and boson particles.
Aharonov, Y., Vaidman, L.
openaire   +2 more sources

Noise-robust proofs of quantum network nonlocality [PDF]

open access: yesQuantum
Quantum networks allow for novel forms of quantum nonlocality. By exploiting the combination of entangled states and entangled measurements, strong nonlocal correlations can be generated across the entire network.
Sadra Boreiri   +3 more
doaj   +1 more source

Experimental Distillation of Quantum Nonlocality [PDF]

open access: yesPhysical Review Letters, 2013
We report the first experimental demonstration of distillation of quantum nonlocality, confirming the recent theoretical protocol [\textit{Phys. Rev. Lett. 102, 120401 (2009)}]. Quantum nonlocality is described by a correlation box with binary inputs and outputs, and the nonlocal boxes are realized through appropriate measurements on polarization ...
Zu, C   +5 more
openaire   +3 more sources

Geometry‐Based Neural‐Network Prediction of Electron Localization Function Topology in Dense Hydrogen

open access: yesChemistry – A European Journal, EarlyView.
We present a machine‐learning framework that predicts the electron localization function (ELF) of dense hydrogen directly from atomic geometry, bypassing explicit electronic‐structure calculations. Trained on ab initio data for fluid hydrogen across multiple pressures, the model achieves high accuracy and reveals pressure‐dependent nonlocal ...
Xiaoyu Wang   +5 more
wiley   +1 more source

Entanglement and quantum nonlocality demystified [PDF]

open access: yesAIP Conference Proceedings, 2012
Quantum nonlocality is presented often as the most remarkable and inexplicable phenomenon known to modern science which was confirmed in the experiments proving the violation of Bell Inequalities (BI). It has been known already for a long time that the probabilistic models used to prove BI for spin polarization correlation experiments (SPCE) are ...
openaire   +2 more sources

Investigating the Electrochemical Double Layer with Quantum‐Chemical Simulations and Implicit Solvation Models

open access: yesChemistry – A European Journal, EarlyView.
ESM‐RISM is applied to model electrochemical interfaces and benchmarked against Poisson–Boltzmann and molecular dynamics results. Density profiles, differential capacitance, and adsorption energetics at the gold–electrolyte interface are analyzed, highlighting the capabilities of this implicit electrolyte framework.
Alessandro Mangiameli   +1 more
wiley   +1 more source

Nonlocality in sequential correlation scenarios

open access: yesNew Journal of Physics, 2014
As first shown by Popescu (1995 Phys. Rev. Lett. 74 2619), some quantum states only reveal their nonlocality when subjected to a sequence of measurements while giving rise to local correlations in standard Bell tests.
Rodrigo Gallego   +4 more
doaj   +1 more source

Bell nonlocality using tensor networks and sparse recovery

open access: yesPhysical Review Research, 2020
Bell's theorem, stating that quantum predictions are incompatible with a local hidden variable description, is a cornerstone of quantum theory and at the center of many quantum information processing protocols.
I. S. Eliëns, S. G. A. Brito, R. Chaves
doaj   +1 more source

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