纠缠熵的 QCD 演化
QCD evolution of entanglement entropy
AI总结:
本文研究质子中依赖快速度的微分纠缠熵及其 QCD 演化,发现演化方程所得 von Neumann 熵与强子熵实验数据高度吻合,支持最大纠缠态的涌现。
摘要:
纠缠熵已成为探测非微扰量子色动力学(QCD)现象的一种新颖工具,例如质子中的色禁闭。尽管近期研究已经证明其在描述深度非弹性散射中的强子产生方面具有显著能力,但纠缠熵的 QCD 演化仍未得到探索。在本工作中,我们研究质子内部依赖于快速度的微分纠缠熵及其与末态强子的联系,旨在阐明其 QCD 演化。我们的分析揭示,由 QCD 演化方程得到的 von Neumann 熵的快速度依赖性,与关于强子熵的相应实验数据高度一致。这些发现为最大纠缠态的涌现提供了有力证据,并为质子的非微扰结构提供了新的见解。
英文摘要:
Entanglement entropy has emerged as a novel tool for probing nonperturbative quantum chromodynamics (QCD) phenomena, such as color confinement in protons. While recent studies have demonstrated its significant capability in describing hadron production in deep inelastic scatterings, the QCD evolution of entanglement entropy remains unexplored. In this work, we investigate the differential rapidity-dependent entanglement entropy within the proton and its connection to final-state hadrons, aiming to elucidate its QCD evolution. Our analysis reveals a strong agreement between the rapidity dependence of von Neumann entropy, obtained from QCD evolution equations, and the corresponding experimental data on hadron entropy. These findings provide compelling evidence for the emergence of a maximally entangled state, offering new insights into the nonperturbative structure of protons.
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