Tachyon inflation in the holographic braneworld

被引：9
|
作者：
Bilic, Neven [1 ]
Dimitrijevic, Dragoljub D. [2 ]
Djordjevic, Goran S. [2 ]
Milosevic, Milan [2 ]
Stojanovic, Marko [3 ]
机构：
[1] Rudjer Boskovic Inst, Div Theoret Phys, Bijenicka Cesta 54, Zagreb 10000, Croatia
[2] Univ Nis, Fac Sci & Math, Dept Phys, Visegradska 33, Nish 18000, Serbia
[3] Univ Nis, Fac Med, Dr Zoran Djindjic Blvd 81, Nish 18000, Serbia
来源：
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2019年 / 08期
基金：
欧盟地平线“2020”;
关键词：
inflation; cosmology with extra dimensions; CONSTRAINTS; SPACE;
D O I：
10.1088/1475-7516/2019/08/034
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A model of tachyon inflation is proposed in the framework of holographic cosmology. The model is based on a holographic braneworld scenario with a D3-brane located at the holographic boundary of an asymptotic ADS(5) bulk. The tachyon field that drives inflation is represented by a DBI action on the brane. We solve the evolution equations analytically in the slow-roll regime and solve the exact equations numerically. We calculate the inflation parameters and compare the results with Planck 2018 data.
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收藏
页数：26
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