Schwinger mechanism for gluons from lattice QCD

被引：11
作者：
Aguilar, A. C. [1 ]
De Soto, F. [2 ]
Ferreira, M. N. [3 ,4 ,5 ]
Papavassiliou, J. [3 ,4 ,5 ]
Pinto-Gomez, F. [2 ]
Roberts, C. D. [6 ,7 ]
Rodriguez-Quintero, J. [8 ,9 ]
机构：
[1] Univ Estadual Campinas, Inst Phys Gleb Wataghin, UNICAMP, BR-13083859 Campinas, SP, Brazil
[2] Univ Pablo de Olavide, Dept Sistemas Fis Quim & Nat, E-41013 Seville, Spain
[3] Univ Valencia, Dept Theoret Phys, E-46100 Valencia, Spain
[4] Univ Valencia, IFIC, E-46100 Valencia, Spain
[5] CSIC, E-46100 Valencia, Spain
[6] Nanjing Univ, Sch Phys, Nanjing 210093, Jiangsu, Peoples R China
[7] Nanjing Univ, Inst Nonperturbat Phys, Nanjing 210093, Jiangsu, Peoples R China
[8] Univ Huelva, Dept Integrated Sci, E-21071 Huelva, Spain
[9] Univ Huelva, Ctr Adv Studies Phys Math & Computat, E-21071 Huelva, Spain
来源：
PHYSICS LETTERS B | 2023年 / 841卷
基金：
中国国家自然科学基金;
关键词：
Continuum Schwinger function methods; Emergence of mass; Gluons; Lattice Schwinger function methods; Quantum chromodynamics; Schwinger mechanism of gauge boson mass; generation; GAUGE-INVARIANCE; PROPAGATOR; EMERGENCE; BEHAVIOR; MASS;
D O I：
10.1016/j.physletb.2023.137906
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Continuum and lattice analyses have revealed the existence of a mass-scale in the gluon two-point Schwinger function. It has long been conjectured that this expresses the action of a Schwinger mechanism for gauge boson mass generation in quantum chromodynamics (QCD). For such to be true, it is necessary and sufficient that a dynamically-generated, massless, colour-carrying, scalar gluon+gluon correlation emerges as a feature of the dressed three-gluon vertex. Working with results on elementary Schwinger functions obtained via the numerical simulation of lattice-regularised QCD, we establish with an extremely high level of confidence that just such a feature appears; hence, confirm the conjectured origin of the gluon mass scale. (c) 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons .org /licenses /by /4 .0/). Funded by SCOAP3.
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