近日,法国索邦大学Cacciapaglia, Giacomo团队揭示了宇宙常数、暗物质和电弱尺度同时存在于沼泽猜想。相关论文于2025年8月21日发表在《高能物理杂志》上。
沼泽计划,寻找与量子引力相一致的低能量理论,导致引入了源于宇宙常数的黑暗维度。
研究组表明,一旦黑暗维度在扭曲的背景中实现,同样的论点会导致电弱尺度的出现。因此,假设在TeV尺度上存在第二个扭曲的额外维度,在那里可以解决长期存在的电弱和普朗克尺度之间的层次问题。此外,标准模型对宇宙常数的贡献与引力常数一起被解决了。
在引力和规范相互作用的新兴整体图景中,普朗克尺度和电弱尺度都是从一个具有两个基本尺度的理论中涌现出来的:10-2 eV和1010 GeV,它们是几何原点和天然的(根据距离猜想)。因此,在粒子物理学和宇宙学的两个标准模型之间建立了一座桥梁。
附:英文原文
Title: The cosmological constant, dark matter and the electroweak scale meet in the Swampland
Author: Fadafan, Kazem Bitaghsir, Cacciapaglia, Giacomo
Issue&Volume: 2025-08-21
Abstract: The Swampland program, which looks for low energy theories consistent with quantum gravity, has led to the introduction of a dark dimension stemming from the cosmological constant. We show that the same argument leads to the emergence of the electroweak scale, once the dark dimension is realised in a warped background. A second warped extra dimension at the TeV scale is, therefore, postulated, where the long-standing problem of the hierarchy between the electroweak and the Planck scales can be addressed. Furthermore, standard model contributions to the cosmological constant are tamed, together with the gravitational ones. In the emergent holistic picture of gravity and gauge interactions, both Planck and the electroweak scales are emergent from a theory with two fundamental scales: 102 eV and 1010 GeV, which are of geometric origin and, following the Distance Conjecture, natural. Hence, a bridge is established between the two standard models of particle physics and cosmology.
DOI: 10.1007/JHEP08(2025)171
Source: https://link.springer.com/article/10.1007/JHEP08(2025)171