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Piao, YS; Zhang, YZ; Piao, YS , Chinese Acad Sci, Inst High Energy Phys, POB 918-4, Beijing 100039, Peoples R China.
Primordial perturbation spectra from various expanding and contracting phases before the "bounce"
发表期刊PHYSICAL REVIEW D
关键词Probe Wmap Observations Cosmological Perturbations Inflationary Universe Flatness Horizon
摘要In this paper we describe the evolution of various expanding and contracting phases before the "bounce" in Einstein frame. Focusing on the case of a single scalar field, in terms of the parameter w of the state equation, four different regions denoting different expanding and contracting phases are pointed out. We discuss possible scenarios generating the nearly scale-invariant spectrum and show that the inflation and other alternative scenarios recently proposed can be placed in different positions of these regions. Our work offers an interesting classification for the primordial perturbation spectra from various phases before the "bounce," which may have important implications for building an early universe scenario embedded in possible high-energy theories.
2004
ISSN1550-7998
卷号70期号:4页码:-
学科领域Physics
收录类别SCI
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14036
专题理论物理所科研产出_SCI论文
通讯作者Piao, YS , Chinese Acad Sci, Inst High Energy Phys, POB 918-4, Beijing 100039, Peoples R China.
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GB/T 7714
Piao, YS,Zhang, YZ,Piao, YS , Chinese Acad Sci, Inst High Energy Phys, POB 918-4, Beijing 100039, Peoples R China.. Primordial perturbation spectra from various expanding and contracting phases before the "bounce"[J]. PHYSICAL REVIEW D,2004,70(4):-.
APA Piao, YS,Zhang, YZ,&Piao, YS , Chinese Acad Sci, Inst High Energy Phys, POB 918-4, Beijing 100039, Peoples R China..(2004).Primordial perturbation spectra from various expanding and contracting phases before the "bounce".PHYSICAL REVIEW D,70(4),-.
MLA Piao, YS,et al."Primordial perturbation spectra from various expanding and contracting phases before the "bounce"".PHYSICAL REVIEW D 70.4(2004):-.
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