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Guo, Zong-Kuan; Piao, Yun-Song; Zhang, Xinmin; Zhang, Yuan-Zhong; Guo, ZK , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China
Two-field quintom models in the w-w
Source PublicationPHYSICAL REVIEW D
KeywordEquation-of-state Dark Energy-model Cosmological Constant Phantom Cosmology Oscillating Quintom Quintessence Universe Constraints Lambda Field
AbstractThe w-w(') plane, defined by the equation of state parameter for the dark energy and its derivative with respect to the logarithm of the scale factor, is useful to the study of classifying the dynamical dark energy models. In this note, we examine the evolving behavior of the two-field quintom models with w crossing the w=-1 barrier in the w-w(') plane. We find that these models can be divided into two categories, type A quintom in which w changes from >-1 to <-1 and type B quintom in which w changes from <-1 to >-1 as the universe expands.
2006
ISSN1550-7998
Volume74Issue:12Pages:-
Subject AreaPhysics
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5829
CollectionSCI期刊论文
Corresponding AuthorGuo, ZK , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Guo, Zong-Kuan,Piao, Yun-Song,Zhang, Xinmin,et al. Two-field quintom models in the w-w[J]. PHYSICAL REVIEW D,2006,74(12):-.
APA Guo, Zong-Kuan,Piao, Yun-Song,Zhang, Xinmin,Zhang, Yuan-Zhong,&Guo, ZK , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.(2006).Two-field quintom models in the w-w.PHYSICAL REVIEW D,74(12),-.
MLA Guo, Zong-Kuan,et al."Two-field quintom models in the w-w".PHYSICAL REVIEW D 74.12(2006):-.
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