Higgs Mechanism and New Propagator of Massive Vector Bosons

• 作者: Kazuhiro Tsuda Naohiro Kanda Takehisa Fujita
• 来源期刊: 现代物理(英文)
• 学科: 数学
• 关键词: HIGGS MECHANISM
• 年，卷（期）: 2012,（7）
• 页码范围: 619-624
• 页数: 6页
• 分类号: O1

摘要

discuss a serious problem related to the Higgs mechanism and show that the unitary gauge which imposes the condition of ф=ф÷ on the Higgs fields does not correspond to a proper gauge fixing. Instead, this is simply a procedure for producing the massive vector boson fields by hand. This suggests that the Lagrangian density of the weak interactions should be reconsidered by starting from the massive vector boson fields which couple to the fermion currents as the initial ingredients. Here, it is shown that the new renormalization scheme with massive vector bosons has no intrinsic problem and the massive vector boson fields do not give rise to any divergences for the physical observables in the renormalization scheme.