Gravitational waves in modified teleparallel theories of gravity

被引：51

作者：

Abedi, Habib ^{[1
]}

Capozziello, Salvatore ^{[2
,3
,4
,5
]}

机构：

[1] Univ Tehran, Dept Phys, North Kargar Ave, Tehran, Iran

[2] Univ Naples Federico II, Dipartimento Fis, Via Cinthia, I-80126 Naples, Italy

[3] INFN, Sez Napoli, Via Cinthia, Naples, Italy

[4] Gran Sasso Sci Inst, Via F Crispi 7, I-67100 Laquila, Italy

[5] Tomsk State Pedag Univ, Ul Kievskaya 60, Tomsk 634061, Russia

来源：

EUROPEAN PHYSICAL JOURNAL C | 2018年 / 78卷 / 06期

关键词：

EXTENDED THEORIES; INFLATION; MODES; TOOL;

D O I：

10.1140/epjc/s10052-018-5967-x

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：

Teleparallel theory of gravity and its modifications have been studied extensively in literature. However, gravitational waves has not been studied enough in the framework of teleparallelism. In the present study, we discuss gravitational waves in general theories of teleparallel gravity containing the torsion scalar T, the boundary term B and a scalar field phi. The goal is to classify possible new polarizations generalizing results presented in Bamba et al. (Phys Lett B 727: 194-198, arXiv: 1309.2698, 2013). We show that, if the boundary term is minimally coupled to the torsion scalar and the scalar field, gravitational waves have the same polarization modes of General Relativity.

引用

页数：9

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