Degeneracy and discreteness in cosmological model fitting

• 作 者: Huan-Yu Teng Yuan Huang Tong-J
• 机 构: DepartmentofAstronomy,DepartmentsofPhysicsandAstronomy,LawrenceBerkeleyNationalLaboratory
• 出 处: 天文和天体物理学研究：英文版
• 发表日期: 2016年3期
• 关键词: 宇宙学模型 模型拟合 离散性 简并性 IA型超新星 观测数据 判别模型 绩效评价 cosmological parameters -- cosmology： o
• 基金项目: We are grateful to Jin Wu, Yong Zhang, Hao-Feng Qin and Ze-Long Yi for the improvement of the paper. Tong-Jie Zhang thanks Prof. Martin White for his hospitality during his visit to the Departments of

We explore the problems of degeneracy and discreteness in the standard cosmological model(ΛCDM). We use the Observational Hubble Data(OHD) and the type Ia supernovae(SNe Ia) data to study this issue. In order to describe the discreteness in fitting of dat