García-Bellido Juan
Instituto de Física Teórica UAM-CSIC, Universidad Autonóma de Madrid, Cantoblanco, 28049 Madrid, Spain
Philos Trans A Math Phys Eng Sci. 2018 Mar 6;376(2114). doi: 10.1098/rsta.2017.0119.
We test the Higgs dilaton inflation model (HDM) using the latest cosmological datasets, including the cosmic microwave background temperature, polarization and lensing data from the satellite (2015), the BICEP and Keck Array experiments, the type Ia supernovae from the JLA catalogue, the baryon acoustic oscillations from CMASS, LOWZ and 6dF, the weak lensing data from the CFHTLenS survey and the matter power spectrum measurements from the latest SDSS data release. We find that the values of all cosmological parameters allowed by the HDM are well within the satellite (2015) constraints. In particular, we determine [Formula: see text], [Formula: see text], [Formula: see text], [Formula: see text] and [Formula: see text] (at 95.5% c.l.). We also place new stringent constraints on the couplings of the HDM, <0.00328 and [Formula: see text] (at 95.5% c.l.). We find that the HDM is only slightly better than the CDM model, with [Formula: see text] Given that the HDM has two fewer parameters, we find Bayesian evidence favouring the HDM over the CDM model. We also study the critical Higgs inflation model, taking into account the running of both the self-coupling λ() and the non-minimal coupling to gravity (). We find peaks in the curvature power spectrum at scales corresponding to the critical value that re-enter during the radiation era and collapse to form a broad distribution of clustered primordial black holes, which could constitute today the main component of dark matter.This article is part of the Theo Murphy meeting issue 'Higgs cosmology'.
我们使用最新的宇宙学数据集对希格斯伸缩子暴胀模型（HDM）进行了检验，这些数据集包括卫星（2015年）的宇宙微波背景温度、偏振和引力透镜数据、BICEP和凯克阵列实验数据、JLA目录中的Ia型超新星数据、CMASS、LOWZ和6dF的重子声学振荡数据、CFHTLenS巡天的弱引力透镜数据以及最新的SDSS数据发布中的物质功率谱测量数据。我们发现，HDM允许的所有宇宙学参数值都完全在卫星（2015年）的限制范围内。特别是，我们确定了（在95.5%的置信水平下）[公式：见正文]、[公式：见正文]、[公式：见正文]、[公式：见正文]和[公式：见正文]。我们还对HDM的耦合施加了新的严格限制，<0.00328且[公式：见正文]（在95.5%的置信水平下）。我们发现HDM仅比冷暗物质（CDM）模型略好，[公式：见正文]鉴于HDM少两个参数，我们发现贝叶斯证据支持HDM而非CDM模型。我们还研究了临界希格斯暴胀模型，考虑了自耦合λ（）和与引力的非最小耦合（）的跑动。我们在曲率功率谱中发现，在与临界值对应的尺度上出现峰值，这些尺度在辐射时代重新进入并坍缩形成大量聚集的原初黑洞，这些原初黑洞今天可能构成暗物质的主要成分。本文是西奥·墨菲会议议题“希格斯宇宙学”的一部分。
