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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"
Source PublicationPHYSICAL REVIEW D
KeywordProbe Wmap Observations Cosmological Perturbations Inflationary Universe Flatness Horizon
AbstractIn 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
Volume70Issue:4Pages:-
Subject AreaPhysics
Indexed BySCI
Citation statistics
Cited Times:31[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/14036
Collection理论物理所科研产出_SCI论文
Corresponding AuthorPiao, YS , Chinese Acad Sci, Inst High Energy Phys, POB 918-4, Beijing 100039, Peoples R China.
Recommended Citation
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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