Gravitational entropy in cosmological models

被引：13
|
作者：
Pelavas, Nicos [1 ]
Coley, Alan [1 ]
机构：
[1] Dalhousie Univ, Dept Math & Stat, Halifax, NS, Canada
来源：
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 2006年 / 45卷 / 07期
基金：
加拿大自然科学与工程研究理事会;
关键词：
gravitational entropy; Szekeres; Bianchi VI (h); Bel-Robinson;
D O I：
10.1007/s10773-006-9124-1
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We discuss whether an appropriately defined dimensionless scalar function might be an acceptable candidate for the gravitational entropy, by explicitly considering Szekeres and Bianchi type VI (h) models that admit an isotropic singularity. We also briefly discuss other possible gravitational entropy functions, including an appropriate measure of the velocity dependent Bel-Robinson tensor.
引用
收藏
页码：1301 / 1309
页数：9
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