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Cai, RG; Tuo, ZL; Zhang, HB; Su, QP; Cai, RG (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, POB 2735, Beijing 100190, Peoples R China.
Notes on ghost dark energy
Source PublicationPHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS
Language英语
KeywordLarge-n-limit Cosmological Constant Current-algebra Scalar Field Model u(1) Supernovae Gravity Vacuum Brane
AbstractWe study a phenomenological dark energy model which is rooted in the Veneziano ghost of QCD. In this dark energy model, the energy density of dark energy is proportional to Hubble parameter and the proportional coefficient is of the order Lambda(3)(QCD), where Lambda(QCD) is the mass scale of QCD. The universe has a de Sitter phase at late time and begins to accelerate at redshift around z(acc) similar to 0.6. We fit this model and give the constraints on model parameters, with current observational data including Type Ia supernovea, baryon acoustic oscillation, cosmic microwave background, big bang nucleosynthesis, and Hubble parameter data. We also study the cosmological evolution of the dark energy with interaction with cold dark matter.
2011
ISSN1098-4402
Volume14Issue:12Pages:123501
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China [10821504, 10975168, 11035008]; Ministry of Science and Technology of China [2010CB833004]; Chinese Academy of Sciences ; National Natural Science Foundation of China [10821504, 10975168, 11035008]; Ministry of Science and Technology of China [2010CB833004]; Chinese Academy of Sciences ; National Natural Science Foundation of China [10821504, 10975168, 11035008]; Ministry of Science and Technology of China [2010CB833004]; Chinese Academy of Sciences ; National Natural Science Foundation of China [10821504, 10975168, 11035008]; Ministry of Science and Technology of China [2010CB833004]; Chinese Academy of Sciences
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/14214
Collection理论物理所科研产出_SCI论文
Corresponding AuthorCai, RG (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, POB 2735, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Cai, RG,Tuo, ZL,Zhang, HB,et al. Notes on ghost dark energy[J]. PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS,2011,14(12):123501.
APA Cai, RG,Tuo, ZL,Zhang, HB,Su, QP,&Cai, RG .(2011).Notes on ghost dark energy.PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS,14(12),123501.
MLA Cai, RG,et al."Notes on ghost dark energy".PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS 14.12(2011):123501.
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