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

TL;DR

This paper investigates how quantum coherence and correlations evolve in hyperon-antihyperon production at BESIII, revealing how classical correlations influence quantum resources and their dependence on scattering angles.

Contribution

It introduces a novel analysis of quantum coherence and correlations in high-energy particle processes using experimental parameters at BESIII.

Findings

Quantum coherence peaks at a scattering angle of π/2.

Classical correlations can delay the decay of quantum correlations.

Quantum resources depend on the scattering angle.

Abstract

Quantum coherence, a cornerstone of quantum mechanics, is of paramount importance for quantum information protocols. However, maintaining coherence in elementary particle systems presents significant challenges. In this work, we investigate quantum coherence and quantum correlations in the $e^{+}e^{-} \to \Lambda\bar{\Lambda}$ processes at BESIII using experimentally feasible parameters, where $\Lambda$ and $\bar{\Lambda}$ denote the spin-$1/2$ hyperon and its antihyperon, respectively. We analyze the dependence of quantum coherence and quantum correlations on the scattering angle $\varphi$. Notably, these resources reach their maximum at $\varphi=\pi/2$. We demonstrate that classical correlations can significantly delay the decay of quantum correlations and coherence. This study underscores the importance of understanding the interplay between classical and quantum correlations in high-energy particle physics, particularly in the context of hyperon-antihyperon interactions explored in the BESIII experiment. This result could have potential applications in quantum information processing and high-energy physics.