Conformal equivalence and Noether symmetries in cosmology

被引：34
|
作者：
Capozziello, S [1 ]
de Ritis, R
Marino, AA
机构：
[1] Univ Salerno, Dipartimento Sci Fisiche ER Caianiello, I-84081 Baronissi, Italy
[2] Univ Naples, Dipartimento Sci Fis, Naples, Italy
[3] Ist Nazl Fis Nucl, I-80125 Naples, Italy
[4] Osservatorio Astron Capodimonte, I-80131 Naples, Italy
来源：
CLASSICAL AND QUANTUM GRAVITY | 1997年 / 14卷 / 12期
关键词：
D O I：
10.1088/0264-9381/14/12/011
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this paper, we discuss a possible method of finding cosmological exact solutions in the context of nonstandard coupled gravity theories. We consider whether Noether symmetries, present in the cosmological 'point-like' Lagrangian, are preserved under the conformal transformation which reduces a given nonstandard coupled model to the corresponding standard coupled one. We see that Noether symmetries are conformally preserved in a general way.
引用
收藏
页码：3259 / 3268
页数：10
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