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.
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页码：117 / 121
页数：5
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