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Gao, CJ; Shen, YG; Gao, CJ (reprint author), Chinese Acad Sci, Key Lab Computat Astrophys, Natl Astron Observ, Beijing 100012, Peoples R China.; Gao, CJ (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Cosmic Evolution of Scalar Fields with Multiple Vacua: Generalized DBI and Quintessence
Source PublicationINTERNATIONAL JOURNAL OF THEORETICAL PHYSICS
Language英语
KeywordQuintessence Dbi Field
AbstractWe find a method to rewrite the equations of motion of scalar fields, generalized DBI field and quintessence, in the autonomous form for arbitrary scalar potentials. With the aid of this method, we explore the cosmic evolution of generalized DBI field and quintessence with the potential of multiple vacua. Then we find that the scalars are always frozen in the false or true vacuum in the end. Compared to the evolution of quintessence, the generalized DBI field has more times of oscillations around the vacuum of the potential. The reason for this point is that, with the increasing of speed , the friction term of generalized DBI field is greatly decreased. Thus the generalized DBI field acquires more times of oscillations.
2016
Volume55Issue:10Pages:4532-4544
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1007/s10773-016-3076-x
Indexed BySCI
Funding OrganizationChinese MoST 863 program [2012AA121701] ; Chinese MoST 863 program [2012AA121701] ; Chinese MoST 863 program [2012AA121701] ; Chinese MoST 863 program [2012AA121701] ; NSFC [11373030, 10973014, 11373020, 11465012] ; NSFC [11373030, 10973014, 11373020, 11465012] ; NSFC [11373030, 10973014, 11373020, 11465012] ; NSFC [11373030, 10973014, 11373020, 11465012]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21520
Collection理论物理所科研产出_SCI论文
Corresponding AuthorGao, CJ (reprint author), Chinese Acad Sci, Key Lab Computat Astrophys, Natl Astron Observ, Beijing 100012, Peoples R China.; Gao, CJ (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Gao, CJ,Shen, YG,Gao, CJ ,et al. Cosmic Evolution of Scalar Fields with Multiple Vacua: Generalized DBI and Quintessence[J]. INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS,2016,55(10):4532-4544.
APA Gao, CJ,Shen, YG,Gao, CJ ,&Gao, CJ .(2016).Cosmic Evolution of Scalar Fields with Multiple Vacua: Generalized DBI and Quintessence.INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS,55(10),4532-4544.
MLA Gao, CJ,et al."Cosmic Evolution of Scalar Fields with Multiple Vacua: Generalized DBI and Quintessence".INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS 55.10(2016):4532-4544.
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