Testing metric-affine f(R)-gravity by relic scalar gravitational waves

被引：22
|
作者：
Capozziello, S. [1 ,2 ]
Cianci, R. [3 ]
De Laurentis, M. [1 ,2 ]
Vignolo, S. [3 ]
机构：
[1] Univ Naples Federico II, Dipartimento Sci Fis, I-80126 Naples, Italy
[2] Ist Nazl Fis Nucl, Sez Napoli, I-80126 Naples, Italy
[3] Univ Genoa, DIPTEM, Sez Metodi & Modelli Matemat, I-16129 Genoa, Italy
来源：
EUROPEAN PHYSICAL JOURNAL C | 2010年 / 70卷 / 1-2期
关键词：
F R GRAVITY; F(R) GRAVITY; COSMOLOGICAL CONSTANT; GENERAL-RELATIVITY; TORSION; TENSOR;
D O I：
10.1140/epjc/s10052-010-1412-5
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We discuss the emergence of scalar gravitational waves in metric-affine f(R)-gravity. Such a component allows to discriminate between metric and metric-affine theories The intrinsic meaning of this result is that the geodesic structure of the theory can be discriminated. We extend the formalism of cross-correlation analysis, including the additional polarization mode, and calculate the detectable energy density of the spectrum for cosmological relic gravitons. The possible detection of the signal is discussed against the sensitivities of the VIRGO, LIGO and LISA interferometers.
引用
收藏
页码：341 / 349
页数：9
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