Thermodynamical description of the interaction between holographic dark energy and dark matter

被引：140

作者：

Wang, Bin ^{[2
]}

Lin, Chi-Yong ^{[1
]}

Pavon, Diego ^{[3
]}

Abdalla, Elcio ^{[4
]}

机构：

[1] Natl Dong Hwa Univ, Dept Phys, Shoufeng 974, Hualien, Taiwan

[2] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China

[3] Autonomous Univ Barcelona, Dept Phys, E-08193 Barcelona, Spain

[4] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil

来源：

PHYSICS LETTERS B | 2008年 / 662卷 / 01期

基金：

巴西圣保罗研究基金会; 中国国家自然科学基金;

关键词：

D O I：

10.1016/j.physletb.2008.01.074

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a thermodynamical description of the interaction between holographic dark energy and dark matter. If holographic dark energy and dark matter evolve separately, each of them remains in thermodynamic equilibrium. A small interaction between them may be viewed as a stable thermal fluctuation that brings a logarithmic correction to the equilibrium entropy. From this correction we obtain a physical expression for the interaction which is consistent with phenomenological descriptions and passes reasonably well the observational tests: (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：1 / 6

页数：6

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