The generalized second law in universes with quantum corrected entropy relations

被引：99
|
作者：
Radicella, Ninfa [1 ,2 ]
Pavon, Diego [2 ]
机构：
[1] Univ Autonoma Barcelona, Dept Fis, Bellaterra 08193, Barcelona, Spain
[2] Ist Nazl Fis Nucl, Sez Torino, I-10100 Turin, Italy
来源：
PHYSICS LETTERS B | 2010年 / 691卷 / 03期
关键词：
Cosmology; Thermodynamics; BLACK-HOLE ENTROPY; THERMODYNAMICS; COSMOLOGY; HORIZONS;
D O I：
10.1016/j.physletb.2010.06.019
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We apply the generalized second law of thermodynamics to discriminate among quantum corrections (whether logarithmic or power-law) to the entropy of the apparent horizon in spatially Friedmann-Robertson-Walker universes. We use the corresponding modified Friedmann equations along with either Clausius relation or the principle of equipartition of the energy to set limits on the value of a characteristic parameter entering the said corrections. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：121 / 126
页数：6
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