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Research on Large Quantum Fluctuations and Gravity

大量子涨落与引力研究

基本信息

批准号：
2207903
负责人：
Lawrence Ford
金额：
$ 15万
依托单位：
Tufts University
依托单位国家：
美国
项目类别：
Continuing Grant
财政年份：
2022
资助国家：
美国
起止时间：
2022-08-01 至 2025-07-31
项目状态：
未结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=2207903&HistoricalAwards=false
关键词：
Research Large Quantum Fluctuations Gravity

项目摘要

This project will study quantum fluctuations of energy density and of gravity and related physical effects. Recent work has shown that the probability of very large energy density fluctuations is much larger than had previously been thought. These energy density fluctuations can also lead to large fluctuations of the gravitational field, which are a type of quantum gravity effect. This project will seek a deeper understanding of these large fluctuations. It will also study similar effects in condensed matter and atomic systems which may be possible to observe in the laboratory. The results of this investigation may have broader impacts on other areas of science, mathematics, and possibly technology. The basic principles and techniques to be explored are expected to have application beyond the specific set of topics to be studied. The project will contribute to education, and to human resource development through the involvement of students. Both graduate and undergraduate students can participate in various aspects of the project, and to improve their skills in scientific analysis and communication. The project will also create examples that will be useful to explain subtle concepts in quantum theory and gravity to students at various educational levels and to the general public.A better understanding of large energy density fluctuations and related effects are expected to lead to a deeper understanding both of quantum physics and of gravity. The effects on the gravitational field are quantum gravity effects, and their study can be one of the paths to a more complete quantum theory of gravity. This project will explore quantum fluctuations of nonlinear operators such as the quantum stress energy tensor. Of particular interest is the possibility of producing primordial black holes in the early universe this way.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.

该项目将研究能量密度和重力的量子涨落以及相关的物理效应。最近的工作表明，非常大的能量密度波动的概率比以前认为的要大得多。这些能量密度波动也会导致引力场的大波动，这是一种量子引力效应。该项目将寻求对这些大波动的更深入理解。它还将研究可能在实验室中观察到的凝聚态物质和原子系统中的类似效应。这项研究的结果可能会对科学、数学和技术的其他领域产生更广泛的影响。所要探讨的基本原则和技术，预计将有应用超出了具体的一套专题要研究。该项目将通过学生的参与促进教育和人力资源开发。研究生和本科生都可以参与项目的各个方面，并提高他们在科学分析和交流方面的技能。该项目还将创建一些实例，这些实例将有助于向不同教育水平的学生和公众解释量子理论和引力中的微妙概念。更好地理解大能量密度波动及其相关效应有望加深对量子物理和引力的理解。对引力场的影响是量子引力效应，对它们的研究可以成为更完整的量子引力理论的途径之一。本项目将探索量子应力能量张量等非线性算子的量子涨落。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。