Dynamical systems analysis of phantom dark energy models

被引：17
作者：
Roy, Nandan [1 ]
Bhadra, Niveditha [2 ]
机构：
[1] Univ Guanajuato, DCI, Dept Fis, Campus Leon, Guanajuato 37150, Mexico
[2] Indian Inst Sci Educ & Reseach Kolkata, Dept Phys Sci, Nadia 741246, W Bengal, India
来源：
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2018年 / 06期
关键词：
dark energy theory; dark energy experiments; EQUATION-OF-STATE; QUINTESSENCE; FIELD; COSMOLOGY; COMPONENT;
D O I：
10.1088/1475-7516/2018/06/002
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this work, we study the dynamical systems analysis of phantom dark energy models considering five different potentials. From the analysis of these five potentials we have found a general parametrization of the scalar field potentials which is obeyed by many other potentials. Our investigation shows that there is only one fixed point which could be the beginning of the universe. However, future destiny has many possible options. A detailed numerical analysis of the system has been presented. The observed late time behaviour in this analysis shows very good agreement with the recent observations.
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页数：16
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