论文标题
依赖环境的电子质量和h $ _0 $ - 张力
Environment Dependent Electron Mass and the H$_0$-Tension
论文作者
论文摘要
重新组合时的电子质量与今天的测量值有所差异可缓解哈勃张力。在本文中，我们提出了一种简单的机制，可以允许这种质量差异。与希格斯场相似的形式，我们考虑了对称量标量场和电子之间的Yukawa耦合。但是，对称真空期望值取决于其环境的物质密度，从原则上讲，它将允许其对电子质量的贡献在重组和当今之间有所不同。我们详细介绍耦合并讨论可能的可观察物。
A difference in the electron mass at recombination from the measured value today has been shown to relieve the Hubble tension. In this article we propose a simple mechanism that would allow for such a mass difference. Similar in form to the Higgs field, we consider a Yukawa coupling between the symmetron scalar field and the electron. However, the symmetron vacuum expectation value depends on the matter density of its environment which, in principle, would allow its contribution towards the electron mass to differ between recombination and today. We detail the coupling and discuss possible observables.
