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题名: Observational constraints on teleparallel dark energy
作者: Geng, CQ ;  Lee, CC ;  Saridakis, EN
刊名: JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
出版日期: 2012
期号: 1, 页码:2
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
学科分类: Physics
通讯作者: Geng, CQ (reprint author), Natl Tsing Hua Univ, Dept Phys, Hsinchu 300, Taiwan.
部门归属: [Geng, Chao-Qiang; Lee, Chung-Chi] Natl Tsing Hua Univ, Dept Phys, Hsinchu 300, Taiwan; [Geng, Chao-Qiang; Saridakis, Emmanuel N.] Natl Ctr Theoret Sci, Hsinchu 300, Taiwan; [Geng, Chao-Qiang; Lee, Chung-Chi] Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China; [Saridakis, Emmanuel N.] Baylor Univ, Dept Phys, CASPER, Waco, TX 76798 USA
英文摘要: 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.
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000300403300002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15192
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
Geng, CQ,Lee, CC,Saridakis, EN. Observational constraints on teleparallel dark energy[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2012(1):2.
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