From the Ground State of String Theory to the Standard Model

拟议中的研究将集中在寻找一种超越基本粒子物理标准模型的理论，该理论将能够解释夸克和轻子质量模式等数量。弦理论是解决这一问题的一个潜在的候选理论，但该理论有许多简并的基态，用模场的值来标记。因此，质量问题的可预测性被能够确定模数域的值所取代。这项研究的目标是在一个真实的模型中计算所有模数域的值。方法是引入扭曲的空间时间，自然地产生物理尺度的大层次结构。PI建议在存在助熔剂的情况下确定字符串紧凑化的背景几何性质。这可能使我们有可能确定超对称性破缺的性质，并允许确定宇宙常数。

The proposed research will focus on finding a theory beyond the standard model of elementary particle physics that will be capable of explaining quantities such as the pattern of quark and lepton masses. String theory is a potential candidate theory to solve this problem, however the theory has many degenerate ground states labeled by the value of the moduli fields. Thus the predictability of the masses problem is replaced by being able to determine the value of the moduli fields. The goal of this research effort is to compute the value of all the moduli fields in a realistic model. The approach is to introduce warped space times that naturally generate large hierarchies of physical scales. The PI proposes to determine the properties of the background geometry of string compactifications in the presence of fluxes. This might make it possible to determine the nature of broken supersymmetry and allow a determination of the cosmological constant.