Physical non-equivalence of the Jordan and Einstein frames

被引：116
|
作者：
Capozziello, S. [1 ,2 ]
Martin-Moruno, P. [3 ]
Rubano, C. [1 ,2 ]
机构：
[1] Univ Naples Federico II, Dipartimento Sci Fis, Naples, Italy
[2] Compl Univ Monte S Angelo, Ist Nazl Fis Nucl, Sez Napoli, I-80126 Naples, Italy
[3] CSIC, Inst Fis Fundamental, E-28006 Madrid, Spain
来源：
PHYSICS LETTERS B | 2010年 / 689卷 / 4-5期
关键词：
Alternative theories of gravity; Cosmology; Conformal transformations; Noether symmetries; EXTENDED THEORIES; SCALAR-TENSOR; DARK ENERGY; GRAVITY;
D O I：
10.1016/j.physletb.2010.04.058
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We show, considering a specific f(R)-gravity model, that the Jordan frame and the Einstein frame could be physically non-equivalent, although they are connected by a conformal transformation which yields a mathematical equivalence. Calculations are performed analytically and this non-equivalence is shown in an unambiguous way. However this statement strictly depends on the considered physical quantities that have to be carefully selected. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：117 / 121
页数：5
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