GENERALIZED PARTICLE DYNAMICS IN ANTI-DE SITTER SPACES: A SOURCE FOR DARK ENERGY

被引：3
|
作者：
Das, Sudipta [1 ]
Ghosh, Subir [1 ]
Van Holten, Jan-Willem [2 ]
Pal, Supratik [1 ,3 ,4 ]
机构：
[1] Indian Stat Inst, Phys & Appl Math Unit, Kolkata 700108, India
[2] NIKHEF, NL-1009 DB Amsterdam, Netherlands
[3] Univ Bonn, Bethe Ctr Theoret Phys, D-53115 Bonn, Germany
[4] Univ Bonn, Inst Phys, D-53115 Bonn, Germany
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS D | 2011年 / 20卷 / 07期
关键词：
Generalized particle dynamics; dark energy; phantom equation of state; PROBE WMAP OBSERVATIONS; BRANE; STATEFINDER; TELESCOPE; COSMOLOGY; CONSTANT; BOUNDARY; UNIVERSE;
D O I：
10.1142/S0218271811019438
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We consider the generalized particle dynamics, that we proposed [S. Das et al., J. High. Energy Phys. 0904 (2009) 115] in braneworld formalisms for an asymptotically anti-de Sitter background. The present framework results in a new model that accounts for the late acceleration of the universe. An effective dark energy equation of state, exhibiting a phantom-like behavior, is generated. The model is derived by embedding the physical FLRW universe in a (4 + 1)-dimensional effective spacetime, induced by the generalized particle dynamics. We corroborate our results with present-day observed cosmological parameters.
引用
收藏
页码：1235 / 1249
页数：15
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