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Dynamical Symmetry Breaking and Effective Field Theories

动力学对称破缺和有效场论

基本信息

批准号：
14340072
负责人：
YAMAWAKI Koichi
金额：
$ 8.51万
依托单位：
Nagoya University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (B)
财政年份：
2002
资助国家：
日本
起止时间：
2002 至 2004
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-14340072/
关键词：
Origin of Mass Strong Coupling Gauge Theory Dynamical Symmetry Breaking Chiral Phase Transition Top Quark Condensate Hidden Local Symmetry Extra Dimensions Light Cone Quantization 複合ヒッグス模型有効場の理論

项目摘要

In this project we promoted study of strong coupling gauge theories both by microsoopic and macroscopic approaches. In particular,1)Dynamical Symmetry Breaking, a microscopic one, was advanced by the dynamical analyses of the top quark oondensate model with extra dimensions, chiral phase transition of large flavor -number QCD and the application to model buildings (little Higgs, Higgsless models, etc). The phase structure of the strong coupling gauge theories was also revealed.2)Effective Field Theories, a macroscopic approach, developed greatly, based on the Hidden Local Symmetry(HLS). By publishing a review article of 233 pages in Physics Reports which is an overall review of our achievement for the quantum effects of the HLS, we established the HLS chiral perturbation theory including the vector meson and made further development of the Vector Manifestation which we proposed earlier for the chiral phase transition in the large flavor-number QCD.1)and 2)are becoming more intimately c … More onnected by recent development of deconstructed/holographic QCD analysis of the gauge theories with extra dimensions which clarified relevance of HLS in the effective field theory of QCD.As to the light cone quantization we made considerable progress in understanding the spontaneously broken symmetry and recovery of Lorentz invariance of DLCQ (Discrete Light Cone.As parts of the present project, we had the following events :Held an international workshop "Strong Coupling Gauge Theories and Effective Field Theories (SCGT02)" at Nagoya University in December 2002. It was a very successful meeting with attendants about 120 (about 40 from abroad) including many top-ranked physicists. (The proceedings were published by the Worldscientific Publishing Co., ISBN 981-238-437-5).Held a small international workshop "Dynamical Symmetry Breaking (DSB04)" at Nagoya University, with 50 participants (6 from abroad) in December 20004. It was also very successful (Proceedings will be published).Organized lectures by Professor't Hooft, a Nobel laureate, and discussion sessions with him in February 2004. Less

在这个项目中，我们从微观和宏观两个方面促进了对强耦合规范理论的研究。具体而言，1)动力学对称性破缺是通过对额外维顶夸克凝聚模型的动力学分析、大味数QCD的手征相变以及在模型建筑(小Higgs、Higgsless模型等)中的应用而提出的。揭示了强耦合规范理论的相结构。2)有效场论是在隐局域对称性的基础上发展起来的一种宏观方法。通过在《物理报告》上发表了一篇长达233页的综述文章，全面回顾了我们在合肥光源量子效应方面的成就，建立了包括矢量介子在内的合肥光源手征微扰理论，并对我们先前提出的大味数手征相变的矢量表现作了进一步的发展。1)和2)变得更加密切的c…由于最近对额外维度规范理论的解构/全息QCD分析的发展，阐明了HLS在QCD有效场论中的相关性。在光锥量子化方面，我们在理解DLCQ(离散光锥)的自发破缺对称性和恢复洛伦兹不变性方面取得了相当大的进展。作为本项目的一部分，我们有以下活动：2002年12月在名古屋大学举办了一次国际研讨会“强耦合规范理论和有效场论(SCGT02)”。这是一次非常成功的会议，与会者约120人(约40人来自国外)，其中包括许多顶尖的物理学家。(会议记录由世界科学出版公司出版，ISBN981-238-437-5).于20004年12月在名古屋大学举办了一个名为“动态对称打破(DSB04)”的小型国际研讨会，有50人参加(6人来自国外)。2004年2月，组织了诺贝尔奖获得者‘t Hooft教授的讲座，并与他进行了讨论。较少