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Conformal invariant cosmological perturbations via the covariant approach
Li, MZ; Mon, YC; Li, MZ (reprint author), Univ Sci & Technol China, Interdisciplinary Ctr Theoret Study, Hefei 230026, Anhui, Peoples R China.
2015
发表期刊JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
期号10页码:37
文章类型Article
摘要It is known that some cosmological perturbations are conformal invariant. This facilitates the studies of perturbations within some gravitational theories alternative to general relativity, for example the scalar-tensor theory, because it is possible to do equivalent analysis in a certain frame in which the perturbation equations are simpler. In this paper we revisit the problem of conformal invariances of cosmological perturbations in terms of the covariant approach in which the perturbation variables have clear geometric and physical meanings. We show that with this approach the conformal invariant perturbations are easily identified.
关键词Cosmological Perturbation Theory Modified Gravity
学科领域Astronomy & Astrophysics ; Physics
资助者NSFC [11422543] ; NSFC [11422543] ; NSFC [11422543] ; NSFC [11422543] ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Program for New Century Excellent Talents in University ; Program for New Century Excellent Talents in University ; Program for New Century Excellent Talents in University ; Program for New Century Excellent Talents in University ; NSFC [11422543] ; NSFC [11422543] ; NSFC [11422543] ; NSFC [11422543] ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Program for New Century Excellent Talents in University ; Program for New Century Excellent Talents in University ; Program for New Century Excellent Talents in University ; Program for New Century Excellent Talents in University
DOIhttp://dx.doi.org/10.1088/1475-7516/2015/10/037
关键词[WOS]INFLATIONARY UNIVERSE ; GENERAL-RELATIVITY ; MODEL
收录类别SCI
语种英语
资助者NSFC [11422543] ; NSFC [11422543] ; NSFC [11422543] ; NSFC [11422543] ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Program for New Century Excellent Talents in University ; Program for New Century Excellent Talents in University ; Program for New Century Excellent Talents in University ; Program for New Century Excellent Talents in University ; NSFC [11422543] ; NSFC [11422543] ; NSFC [11422543] ; NSFC [11422543] ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Program for New Century Excellent Talents in University ; Program for New Century Excellent Talents in University ; Program for New Century Excellent Talents in University ; Program for New Century Excellent Talents in University
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/20844
专题理论物理所SCI论文
通讯作者Li, MZ (reprint author), Univ Sci & Technol China, Interdisciplinary Ctr Theoret Study, Hefei 230026, Anhui, Peoples R China.
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Li, MZ,Mon, YC,Li, MZ . Conformal invariant cosmological perturbations via the covariant approach[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2015(10):37.
APA Li, MZ,Mon, YC,&Li, MZ .(2015).Conformal invariant cosmological perturbations via the covariant approach.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(10),37.
MLA Li, MZ,et al."Conformal invariant cosmological perturbations via the covariant approach".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .10(2015):37.
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