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This article reports on the dynamical evolution of quantum coherence in hyperon-antihyperon pairs produced via J/ψ decay at BESIII, analyzing spin correlations through correlated Markovian and non-Markovian channels. The study provides a rigorous theoretical framework for understanding how dense partonic environments influence two-spin systems using reconstructed spin density matrices from experimental data. While the work is deeply rooted in high-energy physics experiments, its primary contribution lies in advancing fundamental quantum information concepts such as quantum steering within specific QCD hadronization contexts.
Sources coveringarXiv, Quantum Zeitgeist
What this isA model's reading of the article and related coverage, written for aiqbench. Not the publisher's words.

Reply to Comment on "Controlling the Dynamical Evolution of Quantum Coherence and Quantum Correlations in $e^{+}e^{-} \to \Lambda\bar{\Lambda}$ Processes at BESIII"

arXiv2 min read

arXiv:2605.03831v2 Announce Type: replace Abstract: In the annihilation process $e^+e^- \to J/\psi \to \Lambda\bar{\Lambda}$ via $J/\psi$, the hyperon--antihyperon pair emerges from the same non-perturbative QCD hadronization process, where both spins develop in a common dense partonic environment. We describe the evolution of the $\Lambda\bar{\Lambda}$ spin degrees of freedom using correlated quantum channels that represent the effective influence of the common QCD hadronization environment on the two-spin system. The parameter $\mu$ characterizes the degree of environmental correlation resulting from the common hadronization process. Using the experimentally reconstructed spin density matrix, we evaluate quantum steering and investigate its robustness and dynamical evolution under correlated Markovian and non-Markovian quantum channels.

Abstract:In the annihilation process $e^+e^- \to J/\psi \to \Lambda\bar{\Lambda}$ via $J/\psi$, the hyperon--antihyperon pair emerges from the same non-perturbative QCD hadronization process, where both spins develop in a common dense partonic environment. We describe the evolution of the $\Lambda\bar{\Lambda}$ spin degrees of freedom using correlated quantum channels that represent the effective influence of the common QCD hadronization environment on the two-spin system. The parameter $\mu$ characterizes the degree of environmental correlation resulting from the common hadronization process. Using the experimentally reconstructed spin density matrix, we evaluate quantum steering and investigate its robustness and dynamical evolution under correlated Markovian and non-Markovian quantum channels.

Reply to arXiv:2605.00127 (Accepted for publication in Physical Review D)

arXiv:2605.03831 [quant-ph]

(or arXiv:2605.03831v2 [quant-ph] for this version)

https://doi.org/10.48550/arXiv.2605.03831 Focus to learn more arXiv-issued DOI via DataCite

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Full text under the publisher's open licence · 201 words

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