ITP OpenIR  > SCI期刊论文
Li, MZ; Mon, YC; Li, MZ (reprint author), Univ Sci & Technol China, Interdisciplinary Ctr Theoret Study, Hefei 230026, Anhui, Peoples R China.
Conformal invariant cosmological perturbations via the covariant approach
Source PublicationJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Language英语
KeywordCosmological Perturbation Theory Modified Gravity
AbstractIt 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.
2015
Issue10Pages:37
Subject AreaAstronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1088/1475-7516/2015/10/037
Indexed BySCI
Funding OrganizationNSFC [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
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/20844
CollectionSCI期刊论文
Corresponding AuthorLi, MZ (reprint author), Univ Sci & Technol China, Interdisciplinary Ctr Theoret Study, Hefei 230026, Anhui, Peoples R China.
Recommended Citation
GB/T 7714
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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