Particle Physics and Cosmology With Extra Dimensions

具有额外维度的粒子物理学和宇宙学

• 批准号: 0556111
• 负责人: Lisa Randall
• 金额: $ 62.42万
• 依托单位: Harvard University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2006
• 资助国家: 美国
• 起止时间: 2006-05-01 至 2009-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0556111&HistoricalAwards=false
• 关键词: Particle; Physics; Cosmology; Extra; Dimensions

The general subject of the proposed research is the physics underlying the standard model of particle physics. Much of this work is guided by a search for the resolution of the hierarchy problem, but it is also motivated by the search for understanding possible implications of string theory and cosmology for low-energy dynamics and vice versa. The majority of this proposal is focused on the study of the physics of extra dimensions, primarily in a context with a warped geometry. The study of extra dimensional physics has gained tremendous momentum in the last few years with the recognition of the importance of branes. Not only does it mean that not all particles necessarily probe the full dimensions of space, but it also gives rise to new and important solutions to Einstein's equations. The research that the researcher has been doing and intends to continue concerns several arenas of extra dimensional physics. She will pursue the study of phenomenological implications of these theories. She will also further pursue some of the more theoretical implications of warped geometries. In particular, the locally localized gravity work has many possible implications that have only begun to be explored. Furthermore, it is of interest to find other localizing geometries with higher codimension. Finally, investigations into cosmology, both in an extra-dimensional and four-dimensional contexts, will be pursued. There will be continued intense involvement in public outreach to convey the scientific goals of particle physics and string theory. The researcher has recently completed a book about particle physics, string theory, and extra dimensions entitled Warped Passages: Unraveling the Mysteries of the Universe's Hidden Dimensions. By giving further public lectures and writing magazine and newspaper articles related to these subjects, she intends to educate people about the science that particle physicists and string theorists pursue.

拟议研究的一般主题是粒子物理标准模型的基础物理。这项工作的很大一部分是以寻求层级问题的解决为指导的，但也是为了了解弦理论和宇宙论对低能动力学的可能影响，反之亦然。这项提议的大部分集中在额外维度的物理研究上，主要是在扭曲几何的背景下。在过去的几年里，随着人们认识到膜的重要性，超维物理的研究获得了巨大的动力。这不仅意味着并不是所有的粒子都能探测整个空间，而且它还给爱因斯坦方程带来了新的、重要的解。这位研究人员一直在做并打算继续进行的研究涉及到额外维度物理的几个领域。她将继续研究这些理论的现象学含义。她还将进一步探讨翘曲几何的一些更具理论意义的问题。特别是，地方性重力工作有许多可能的影响，这些影响才刚刚开始探索。此外，寻找其他具有更高余维的局域几何也是很有意义的。最后，将继续在超维和四维背景下对宇宙学进行研究。将继续积极参与公众宣传，以传达粒子物理和弦理论的科学目标。这位研究人员最近完成了一本关于粒子物理、弦理论和额外维度的书，书名为《扭曲的通道：揭开宇宙隐藏维度的谜团》。通过进一步的公开演讲和撰写与这些主题相关的杂志和报纸文章，她打算教育人们了解粒子物理学家和弦理论家所追求的科学。