An upper bound on concurrence is derived for fixed local polarizations in two-qubit systems, saturated by pure states in some cases, and applied to show reduced maximal entanglement in polarized q qbar pairs from parity-violating Z decays.
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6 Pith papers cite this work. Polarity classification is still indexing.
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Soft-gluon radiation via recoil rotations creates an effective dephasing channel that leaves normal-axis spin correlations unchanged while suppressing in-plane coherences in heavy-quark pairs produced at the EIC.
ATLAS and CMS report new measurements of spin correlations and entanglement in top-quark pairs from large LHC datasets at 13.6 TeV.
Educational modules and Qibo implementations for simulating Bell inequality violations to teach entanglement, hidden variables, and non-locality.
An overview of the contact interaction model shows it describes the mass spectrum and form factors of forty mesons and their diquark partners with comparisons to lattice QCD and other approaches.