Quantum gauge models without (classical) Higgs mechanism

被引：9
作者：
Duetsch, Michael [1 ]
Gracia-Bondia, Jose M. [2 ]
Scheck, Florian [3 ]
Varilly, Joseph C. [4 ]
机构：
[1] Univ Gottingen, Inst Math, Courant Res Ctr Higher Order Struct Math, D-37073 Gottingen, Germany
[2] Univ Zaragoza, Dept Fis Teor, E-50009 Zaragoza, Spain
[3] Johannes Gutenberg Univ Mainz, Inst Phys, D-55099 Mainz, Germany
[4] Univ Costa Rica, Escuela Matemat, San Jose 2060, Costa Rica
来源：
EUROPEAN PHYSICAL JOURNAL C | 2010年 / 69卷 / 3-4期
关键词：
YANG-MILLS THEORIES; MASTER WARD IDENTITY; CAUSAL CONSTRUCTION; STANDARD MODEL; NONCOMMUTATIVE GEOMETRY; MASSLESS PARTICLES; ELECTROWEAK THEORY; BROKEN SYMMETRIES; NOETHER METHOD; VECTOR-MESONS;
D O I：
10.1140/epjc/s10052-010-1432-1
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We examine the status of massive gauge theories, such as those usually obtained by spontaneous symmetry breakdown, from the viewpoint of causal (Epstein-Glaser) renormalization. The BRST formulation of gauge invariance in this framework, starting from canonical quantization of massive (as well as massless) vector bosons as fundamental entities, and proceeding perturbatively, allows one to rederive the reductive group symmetry of interactions, the need for scalar fields in gauge theory, and the covariant derivative. Thus the presence of higgs particles is understood without recourse to a Higgs(-Englert-Brout-Guralnik-Hagen-Kibble) mechanism. Along the way, we dispel doubts about the compatibility of causal gauge invariance with grand unified theories.
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页码：599 / 621
页数：23
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