Entanglement on a sphere

IF 5.3 2区物理与天体物理 Q1 Physics and Astronomy

Physical Review D Pub Date : 2025-09-25 DOI:10.1103/8h9z-gmnm

Konstantinos Boutivas, Dimitrios Katsinis, Georgios Pastras, Nikolaos Prountzos, Nikolaos Tetradis

引用次数: 0

Abstract

We study the entanglement entropy of a massive scalar field in the background of the Einstein universe. We determine numerically the structure of the UV-divergent terms. We study analytically the IR term that originates in the long-range correlations arising from the field zero mode on the sphere. We compare with previous results for a scalar field in a de Sitter or an anti–de Sitter background.

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球面上的纠缠

我们研究了爱因斯坦宇宙背景下大质量标量场的纠缠熵。我们用数值方法确定了紫外线发散项的结构。我们分析地研究了由球上的场零模引起的远程相关所产生的红外项。我们比较了在德西特或反德西特背景下标量场的结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Physical Review D 物理-天文与天体物理

CiteScore

9.20

自引率

36.00%

发文量

审稿时长

2 months

期刊介绍： Physical Review D (PRD) is a leading journal in elementary particle physics, field theory, gravitation, and cosmology and is one of the top-cited journals in high-energy physics. PRD covers experimental and theoretical results in all aspects of particle physics, field theory, gravitation and cosmology, including: Particle physics experiments, Electroweak interactions, Strong interactions, Lattice field theories, lattice QCD, Beyond the standard model physics, Phenomenological aspects of field theory, general methods, Gravity, cosmology, cosmic rays, Astrophysics and astroparticle physics, General relativity, Formal aspects of field theory, field theory in curved space, String theory, quantum gravity, gauge/gravity duality.