RUI: The Non-Linear Universe: Precision Numerical Cosmology and Fundamental Physics

RUI：非线性宇宙：精确数值宇宙学和基础物理学

• 批准号: 2309919
• 负责人: John Giblin
• 金额: $ 15万
• 依托单位: Kenyon College
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2023
• 资助国家: 美国
• 起止时间: 2023-08-01 至 2026-07-31
• 项目状态: 未结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2309919&HistoricalAwards=false
• 关键词: RUI; Non; Linear; Universe; Precision

This RUI award funds the research of Professor John T. Giblin, Jr. at Kenyon College.We live at a time when telescopes and gravitational wave-observatories are showering us with data. At the same time, there are still great unanswered questions about the nature of dark matter, dark energy, and the high-temperature initial moments of the Universe. As part of his research, Professor Giblin will probe high-energy physics using precision numerical simulations to predict the consequences of different models of high-energy physics. Professor Giblin will continue to develop, along with his undergraduate research students, cutting-edge computational tools to study the complex particle physics in the extreme environments of the early universe. This work is in the national interest as it builds foundational understanding of high-energy physics, trains scientifically literate human resources, and strengthens our understanding of numerical methods. Additionally, it will bring these important topics to high schools through outreach into physics classrooms.Specifically, Professor Giblin will study the detailed physics of (p)reheating at the end of inflation by studying realistic beyond-the-standard-model scenarios and implementing full non-linear gravitational simulations to better understand if cosmological processes can create primordial black holes. Professor Giblin will also study cosmological processes in the late universe to look at how nonlinear physics might contribute to our understanding of dark matter, the Hubble tension, and dark energy.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

该 RUI 奖项资助凯尼恩学院 (Kenyon College) 教授 John T. Giblin, Jr. 的研究。我们生活在望远镜和引力波天文台向我们提供大量数据的时代。 与此同时，关于暗物质、暗能量和宇宙高温初始时刻的本质，仍然存在巨大的未解之谜。 作为其研究的一部分，吉布林教授将利用精确数值模拟来探索高能物理，以预测不同高能物理模型的后果。 吉布林教授将与他的本科生一起继续开发尖端计算工具，以研究早期宇宙极端环境中的复杂粒子物理。 这项工作符合国家利益，因为它建立了对高能物理的基础理解，培养了具有科学素养的人力资源，并加强了我们对数值方法的理解。 此外，它将通过物理课堂的推广，将这些重要的主题带入高中。具体来说，吉布林教授将通过研究现实的超标准模型场景和实施完整的非线性引力模拟，来研究膨胀结束时（p）再加热的详细物理学，以更好地了解宇宙过程是否可以创造原始黑洞。 吉布林教授还将研究宇宙晚期的宇宙学过程，以了解非线性物理学如何有助于我们对暗物质、哈勃张力和暗能量的理解。该奖项反映了 NSF 的法定使命，并通过使用基金会的智力价值和更广泛的影响审查标准进行评估，被认为值得支持。