Cosmological reconstruction of f(T, T) gravity

被引:46
|
作者
Momeni, Davood [1 ]
Myrzakulov, Ratbay [1 ]
机构
[1] Eurasian Natl Univ, Eurasian Int Ctr Theoret Phys, Astana 010008, Kazakhstan
关键词
Modified gravity; torsion; cosmology; PROBE WMAP OBSERVATIONS; GAUGE-THEORY;
D O I
10.1142/S0219887814500777
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Motivated by the newly proposal for gravity as the effect of the torsion scalar T and trace of the energy momentum tensor T, we investigate the cosmological reconstruction of different models of the Universe. Our aim here is to show that how this modified gravity model, f(T, T) is able to reproduce different epochs of the cosmological history. We explicitly show that f(T, T) can be reconstructed for Lambda CDM as the most popular and consistent model. Also we study the mathematical reconstruction of f(T, T) for a flat cosmological background filled by two fluids mixture. Such model describes phantom-non-phantom era as well as the purely phantom cosmology. We extend our investigation to more cosmological models like perfect fluid, Chaplygin gas and massless scalar field. In each case we obtain some specific forms of f(T, T). These families of f(T, T) contain arbitrary function of torsion and trace of the energy momentum.
引用
收藏
页数:12
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