Cosmological applications in Kaluza-Klein theory

The field equations of Kaluz-Klein （KK） theory have been applied in the domain of cosmology. These equations are solved for a fiat universe by taking the gravitational and the cosmological constants as a function of time t. We use Taylor＇s expansion of cosmological function, A（t）, up to the first or...

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Published inChinese physics B Vol. 21; no. 4; pp. 631 - 637
Main Authors Wanas, M.I., Nashed, Gamal G. L., Nowaya, A.A.
Format Journal Article
LanguageEnglish
Published 01.04.2012
Subjects
Cosmological constant
Cosmology
Flats
Gravitation
Mathematical analysis
Universe
克莱因
函数
场方程
宇宙学参数
宇宙常数
应用
时间
泰勒展开式
Online AccessGet full text
ISSN1674-1056
2058-3834
1741-4199
DOI10.1088/1674-1056/21/4/049801

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Abstract The field equations of Kaluz-Klein （KK） theory have been applied in the domain of cosmology. These equations are solved for a fiat universe by taking the gravitational and the cosmological constants as a function of time t. We use Taylor＇s expansion of cosmological function, A（t）, up to the first order of the time t. The cosmological parameters are calculated and some cosmological problems are discussed.
AbstractList The field equations of Kaluza-Klein (KK) theory have been applied in the domain of cosmology. These equations are solved for a flat universe by taking the gravitational and the cosmological constants as a function of time t. We use Taylor's expansion of cosmological function, [Lambda](t), up to the first order of the time t. The cosmological parameters are calculated and some cosmological problems are discussed.
The field equations of Kaluz-Klein （KK） theory have been applied in the domain of cosmology. These equations are solved for a fiat universe by taking the gravitational and the cosmological constants as a function of time t. We use Taylor＇s expansion of cosmological function, A（t）, up to the first order of the time t. The cosmological parameters are calculated and some cosmological problems are discussed.
Author M.I.Wanas Gamal G. L. Nashed A. A. Nowaya
AuthorAffiliation Astronomy Department, Faculty of Science, Cairo University, Giza, Egypt Mathematics Department, Faculty of Science, King Faisal University, P.O. Box 380 A1-Ahsaa 31982, the Kingdom of Saudi Arabia Mathematics Department, Faculty of Science, Ain Shams University, Cairo, 11566, Egypt Center for Theoretical Physics, British University of Egypt Sherouk City ] 1837, P.O. Box 43, Egypt Egyptian Relativity Group （ERG）, Physics Department, Faculty of Science, Monofia University, Monofia, Egypt
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Notes Kaluz-Klein theory, cosmology, Taylor＇s expansion of cosmological function
11-5639/O4
The field equations of Kaluz-Klein （KK） theory have been applied in the domain of cosmology. These equations are solved for a fiat universe by taking the gravitational and the cosmological constants as a function of time t. We use Taylor＇s expansion of cosmological function, A（t）, up to the first order of the time t. The cosmological parameters are calculated and some cosmological problems are discussed.
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Snippet The field equations of Kaluz-Klein （KK） theory have been applied in the domain of cosmology. These equations are solved for a fiat universe by taking the...
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SubjectTerms Cosmological constant
Cosmology
Flats
Gravitation
Mathematical analysis
Universe
克莱因
函数
场方程
宇宙学参数
宇宙常数
应用
时间
泰勒展开式
Title Cosmological applications in Kaluza-Klein theory
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