The Emergent Universe and the Anomalies in the Cosmic Microwave Background

19th Chilean Physics Symposium 2014

Ríos, Carlos^1 ; Labraña, Pedro^1 ; Cid, Antonella^1

Departamento de Física, Universidad Del Bío-Bío, Casilla 5-C, Concepción, Chile^1

关键词: Angular scale;    Cosmic microwave backgrounds;    Large-scales;    Multipoles;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/720/1/012008/pdf
DOI  :  10.1088/1742-6596/720/1/012008

来源: IOP

【 摘 要 】

The existence of anomalies in the Cosmic Microwave Background (CMB) on large angular scales (power deficit at low multipoles and hemispherical asymmetry) could be related to a pre-inflationary period, previous to standard inflation. Recent studies show that a period of super-inflation in the context of emergent universes (EU) generates a suppression of CMB anisotropies on large scales. We also study the implications of an EU model in the asymmetry of the average temperature in opposite hemispheres of the sky.