Influence of generalized and extended uncertainty principle on thermodynamics of FRW universe

被引：115
|
作者：
Zhu, Tao [1 ]
Ren, Ji-Rong [1 ]
Li, Ming-Fan [1 ]
机构：
[1] Lanzhou Univ, Inst Theoret Phys, Lanzhou 730000, Peoples R China
来源：
PHYSICS LETTERS B | 2009年 / 674卷 / 03期
基金：
中国国家自然科学基金;
关键词：
BLACK-HOLE ENTROPY; 1ST LAW; APPARENT HORIZON; LOGARITHMIC CORRECTION; GRAVITY; EQUATIONS; SPACETIME; TEMPERATURE; COSMOLOGY; ENERGY;
D O I：
10.1016/j.physletb.2009.03.020
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The influence of the generalized uncertainty principle (CUP) and extended uncertainty principle (EUP) on the thermodynamics of the Friedmann-Robertson-Walker (FRW) universe has been investigated. It is shown that the entropy of the apparent horizon of the FRW universe gets a correction if one considers the effect of the CUP or EUP. Moreover, starting with the modified entropy and applying the first law of thermodynamics, dE = T dS, to apparent horizon of the FRW universe, we obtain the modified Friedmann equations. The influence of the CUP or EUP on the thermodynamics of the FRW universe provides a deep insight into the understanding the quantum gravity or large length scale corrections to the dynamics of the FRW universe. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：204 / 209
页数：6
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