Quantum entanglement and Bell inequality violation at colliders

AJ Barr, M Fabbrichesi, R Floreanini, E Gabrielli… - arXiv preprint arXiv …, 2024 - arxiv.org
The study of entanglement in particle physics has been gathering pace in the past few years.
It is a new field that is providing important results about the possibility of detecting …

[HTML][HTML] Constraining new physics in entangled two-qubit systems: top-quark, tau-lepton and photon pairs

M Fabbrichesi, R Floreanini, E Gabrielli - The European Physical Journal …, 2023 - Springer
The measurement of quantum entanglement can provide a new and most sensitive probe to
physics beyond the Standard Model. We use the concurrence of the top-quark pair spin …

Testing Bell inequalities at the LHC with top-quark pairs

M Fabbrichesi, R Floreanini, G Panizzo - Physical Review Letters, 2021 - APS
Correlations between the spins of top-quark pairs produced at a collider can be used to
probe quantum entanglement at energies never explored so far. We show how the …

Exploring Bell inequalities and quantum entanglement in vector boson scattering

RA Morales - The European Physical Journal Plus, 2023 - Springer
Quantum properties of vector boson scattering\(V'_1V'_2\rightarrow V_1 V_2\), related to
entanglement and violation of Bell inequalities, are explored in this paper. The analysis is …

Entropic uncertainty relation in neutrino oscillations

D Wang, F Ming, XK Song, L Ye, JL Chen - The European Physical …, 2020 - Springer
Neutrino oscillation is deemed as an interesting physical phenomenon and shows the
nonclassical features made apparently by the Leggett–Garg inequality. The uncertainty …

Violation of the Leggett-Garg inequality in neutrino oscillations

JA Formaggio, DI Kaiser, MM Murskyj, TE Weiss - Physical review letters, 2016 - APS
The Leggett-Garg inequality, an analogue of Bell's inequality involving correlations of
measurements on a system at different times, stands as one of the hallmark tests of quantum …

Probing entanglement and testing Bell inequality violation with at Belle II

K Ehatäht, M Fabbrichesi, L Marzola, C Veelken - Physical Review D, 2024 - APS
We present a feasibility study to probe quantum entanglement and Bell inequality violation
in the process e+ e-→ τ+ τ-at a center-of-mass energy of s= 10.579 GeV. The sensitivity of …

Quantification of quantumness in neutrino oscillations

F Ming, XK Song, J Ling, L Ye, D Wang - The European Physical Journal C, 2020 - Springer
Neutrino oscillation is an important physical phenomenon in elementary particle physics,
and its nonclassical features can be revealed by the Leggett–Garg inequality. It shows that …

Monogamy properties of quantum correlations in neutrino oscillations

GJ Wang, YW Li, LJ Li, XK Song, D Wang - The European Physical …, 2023 - Springer
The monogamy relation of quantum states has limited the shareability properties of quantum
resources in multiparty quantum systems. It plays a vital role in information distribution and …

Tree-level entanglement in quantum electrodynamics

S Fedida, A Serafini - Physical Review D, 2023 - APS
We report on a systematic study on the entanglement between helicity degrees of freedom
generated at tree level in quantum electrodynamics two-particle scattering processes. We …