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Geng, CQ; Lee, CC; Saridakis, EN; Geng, CQ (reprint author), Natl Tsing Hua Univ, Dept Phys, Hsinchu 300, Taiwan.
Observational constraints on teleparallel dark energy
发表期刊JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
语种英语
关键词Cosmological Scaling Solutions Probe Wmap Observations Power-law Potentials Accelerating Universe General-relativity f(t) Gravity Scalar Field Cosmic Coincidence Phantom Quintom
摘要We use data from Type Ia Supernovae (SNIa), Baryon Acoustic Oscillations (BAO), and Cosmic Microwave Background (CMB) observations to constrain the recently proposed teleparallel dark energy scenario based on the teleparallel equivalent of General Relativity, in which one adds a canonical scalar field, allowing also for a nonminimal coupling with gravity. Using the power-law, the exponential and the inverse hyperbolic cosine potential ansatzes, we show that the scenario is compatible with observations. In particular, the data favor a nonminimal coupling, and although the scalar field is canonical the model can describe both the quintessence and phantom regimes.
2012
ISSN1475-7516
期号1页码:2
学科领域Physics
收录类别SCI
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被引频次:86[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15192
专题理论物理所科研产出_SCI论文
通讯作者Geng, CQ (reprint author), Natl Tsing Hua Univ, Dept Phys, Hsinchu 300, Taiwan.
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Geng, CQ,Lee, CC,Saridakis, EN,et al. Observational constraints on teleparallel dark energy[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2012(1):2.
APA Geng, CQ,Lee, CC,Saridakis, EN,&Geng, CQ .(2012).Observational constraints on teleparallel dark energy.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(1),2.
MLA Geng, CQ,et al."Observational constraints on teleparallel dark energy".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .1(2012):2.
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