ITP OpenIR  > 理论物理所2012年知识产出
Observational constraints on teleparallel dark energy
Geng, CQ; Lee, CC; Saridakis, EN; Geng, CQ (reprint author), Natl Tsing Hua Univ, Dept Phys, Hsinchu 300, Taiwan.
2012
发表期刊JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
ISSN1475-7516
期号1页码:2
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.
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
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
学科领域Physics
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收录类别SCI
语种英语
WOS记录号WOS:000300403300002
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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2012年知识产出
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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