Nonequilibrium Processes in Field Theory

场论中的非平衡过程

• 批准号: 0070554
• 负责人: Marcelo Gleiser
• 金额: $ 7.8万
• 依托单位: Dartmouth College
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2000
• 资助国家: 美国
• 起止时间: 2000-09-01 至 2002-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0070554&HistoricalAwards=false
• 关键词: Nonequilibrium; Processes; Field; Theory

Research will be performed on theoretical astrophysics and particle physics, focusing on physical processes that took place early in the history of the Universe. According to the Big-Bang model, the early history of the Universe was characterized by extremely high temperatures and densities. In such an environment, matter was broken down to its smallest constituents, i.e., elementary particles. In order to reconstruct the physical processes that took place during such times and to examine possible consequences observable today, we must obtain a description of how these particles interacted at high temperatures. In this research we will examine these processes, focusing on how the "fields" describing such particles arrived at their states of lowest energy, where they are today.

研究将在理论天体物理学和粒子物理学上进行，重点是发生在宇宙历史早期的物理过程。根据大爆炸模型，宇宙的早期历史以极高的温度和密度为特征。在这样的环境中，物质被分解成最小的成分，即基本粒子。为了重建当时发生的物理过程，并检验今天可观察到的可能后果，我们必须获得这些粒子在高温下如何相互作用的描述。在这项研究中，我们将研究这些过程，重点关注描述这些粒子的“场”如何达到它们今天所处的最低能量状态。