Cosmological constraints for an Eddington-Born-Infeld field

被引：26
|
作者：
De Felice, Antonio [1 ,2 ]
Gumjudpai, Burin [1 ,2 ]
Jhingan, Sanjay [3 ]
机构：
[1] Naresuan Univ, Inst Fundamental Study, NEP, ThEPs CRL, Phitsanulok 65000, Thailand
[2] Thailand Ctr Excellence Phys, Minist Educ, Bangkok 10400, Thailand
[3] Jamia Millia Islamia, Ctr Theoret Phys, New Delhi 110025, India
来源：
PHYSICAL REVIEW D | 2012年 / 86卷 / 04期
关键词：
HUBBLE-SPACE-TELESCOPE; DARK ENERGY; DISCOVERIES; SUPERNOVAE; ROTATION; GRAVITY;
D O I：
10.1103/PhysRevD.86.043525
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We consider the Eddington-Born-Infeld (EBI) model here without assuming any cosmological constant. The EBI scalar field is supposed to play a role of both dark matter and dark energy. Different eras in cosmology are reconstructed for the model. A comparison is drawn with the Lambda CDM model using Supernova Type Ia data, WMAP7 and baryon acoustic oscillations data. It seems that the EBI field in this form does not give a good fit to observational data in comparison to the Lambda CDM model.
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页数：7
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