Strong coupling in extended Horava-Lifshitz gravity

被引：119

作者：

Papazoglou, Antonios ^{[2
]}

Sotiriou, Thomas P. ^{[1
]}

机构：

[1] Univ Cambridge, Ctr Math Sci, Dept Appl Math & Theoret Phys, Cambridge CB3 0WA, England

[2] Univ Portsmouth, Inst Cosmol & Gravitat, Portsmouth PO1 3FX, Hants, England

来源：

PHYSICS LETTERS B | 2010年 / 685卷 / 2-3期

关键词：

Horava-Lifshitz gravity; Strong coupling; Scalar mode; Lorentz violations;

D O I：

10.1016/j.physletb.2010.01.054

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

An extension of Horava-Lifshitz gravity was recently proposed in order to address the pathological behavior of the scalar mode all previous versions of the theory exhibit. We show that even in this new extension the strong coupling persists, casting doubts oil whether such a model can constitute ail interesting alternative to general relativity (GR). (c) 2010 Elsevier B.V. All rights reserved.

引用

页码：197 / 200

页数：4

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