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Related papers: Conformally Lifshitz solutions from Horava-Lifshit…

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We analyze different claims on the role of the coupling constant lambda in so-called lambda-R models, a minimal generalization of general relativity inspired by Horava-Lifshitz gravity. The dimensionless parameter lambda appears in the…

High Energy Physics - Theory · Physics 2014-12-24 R. Loll , L. Pires

We analytically obtain a new charged Lifshtitz solution by adding a non-relativistic Maxwell field in Horava-Lifshitz gravity. The black hole exhibits an anisotropic scaling between space and time (Lifshitz scaling) in the UV limit, while…

High Energy Physics - Theory · Physics 2017-03-24 Cheng-Jian Luo , Xiao-Mei Kuang , Fu-Wen Shu

We find candidate macroscopic gravity duals for scale-invariant but non-Lorentz invariant fixed points, which do not have particle number as a conserved quantity. We compute two-point correlation functions which exhibit novel behavior…

High Energy Physics - Theory · Physics 2010-04-06 Shamit Kachru , Xiao Liu , Michael Mulligan

We consider the branch of the projectable Horava-Lifshitz model which exhibits ghost instabilities in the low energy limit. It turns out that, due to the Lorentz violating structure of the model and to the presence of a finite strong…

High Energy Physics - Theory · Physics 2016-06-29 S. Ramazanov , F. Arroja , M. Celoria , S. Matarrese , L. Pilo

In this paper, we study electromeganetic static spacetimes in the nonrelativisitc general covariant theory of the Horava-Lifshitz (HL) gravity, proposed recently by Horava and Melby-Thompson, and present all the electric static solutions,…

High Energy Physics - Theory · Physics 2012-04-02 Ahmad Borzou , Kai Lin , Anzhong Wang

The purpose of this paper is to find and analyze plane symmetric, static(non static) solutions in Ho\v{r}ava- Lifshitz gravity. We discussed two versions of Horava gravity. First we showed that if the detailed balance principle have…

High Energy Physics - Theory · Physics 2011-03-28 M. R. Setare , D. Momeni

We find spherically symmetric solutions in the modified Ho\v{r}ava-Lifshitz gravity proposed recently by Blas, Pujolas and Sibiryakov. The non-linear equations of the two derivative action turn out to be similar to those stemming from the…

High Energy Physics - Theory · Physics 2010-12-21 Elias Kiritsis

Via the AdS/CFT correspondence, ground states of field theories at finite charge density are mapped to extremal black brane solutions. Studies of simple gravity + matter systems in this context have uncovered wide new classes of extremal…

High Energy Physics - Theory · Physics 2012-03-06 Sarah Harrison , Shamit Kachru , Huajia Wang

In this note we study the relation between F(R) and scalar tensor Horava-Lifshitz gravity. We find that due to the broken diffeomorphism invariance corresponding scalar tensor theory has more complicated form than in case of the full…

High Energy Physics - Theory · Physics 2015-05-28 J. Kluson

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…

High Energy Physics - Theory · Physics 2010-03-01 Antonios Papazoglou , Thomas P. Sotiriou

Recently proposed Horava-Lifshitz gravity promises a UV completion of Einstein's theory by sacrificing general covariance at short distances and introducing anisotropic spacetime scaling. Here we present a dyonic solution by coupling this…

High Energy Physics - Theory · Physics 2009-08-11 Eoin Ó Colgáin , Hossein Yavartanoo

We derive the projectable version of Horava - Lifshitz gravity from the localisation of the Galilean symmetry. Specifically we provide a dynamical construction of the metric, from first principles, that reproduces the transformations of the…

High Energy Physics - Theory · Physics 2015-08-28 Rabin Banerjee , Pradip Mukherjee

Recently, Horava formulated a renormalizable theory of quantum gravity that reduces to general relativity at large distances but violates Lorentz invariance at small distances. The absolute time involved in this theory allows to define an…

High Energy Physics - Theory · Physics 2014-11-18 H. Nikolic

In this note we examine whether spherically symmetric solutions in Covariant Horava Lifshitz Gravity can reproduce Newton's Law in the IR limit \lambda->1. We adopt the position that the auxiliary field A is independent of the space-time…

High Energy Physics - Theory · Physics 2015-08-27 Jean Alexandre , Pavlos Pasipoularides

The occurrence of a bounce in the FRW cosmology requires modifications of General Relativity. An example of such a modification is the recently proposed Horava-Lifshitz theory of gravity, which includes a "dark radiation" term with a…

High Energy Physics - Theory · Physics 2011-06-24 Ewa Czuchry

We present a detailed analysis of the construction of $z=2$ and $z\neq2$ scale invariant Ho\v{r}ava-Lifshitz gravity. The construction procedure is based on the realization of Ho\v{r}ava-Lifshitz gravity as the dynamical Newton-Cartan…

High Energy Physics - Theory · Physics 2018-05-18 Deniz Olgu Devecioglu , Nese Ozdemir , Mehmet Ozkan , Utku Zorba

The standard $\Lambda$CDM model despite its agreement with observational data still has some issues unaddressed, lie the problem of initial singularity. Solving that problem usually requires modifications of general relativity. However,…

General Relativity and Quantum Cosmology · Physics 2023-03-29 Ewa Czuchry

A spherically symmetric solution of the field equations of the Ho\v{r}ava--Lifshitz gravity--gauge vector interaction theory is obtained and analyzed. It describes a charged throat. The solution exists provided a restriction on the relation…

High Energy Physics - Theory · Physics 2023-01-11 Alvaro Restuccia , Francisco Tello-Ortiz

In this paper, we study static vacuum solutions of quantum gravity at a fixed Lifshitz point in (2+1) dimensions, and present all the diagonal solutions in closed forms in the infrared limit. The exact solutions represent spacetimes with…

High Energy Physics - Theory · Physics 2015-06-19 Fu-Wen Shu , Kai Lin , Anzhong Wang , Qiang Wu

We tested the Ho\u{r}ava Lifshitz (HL) quantum gravity model by using the L{\" u}, Mei and Pope solutions for primordial black holes (PBHs) and the observational upper bounds of the PBH density parameters. We found that, although the HL…

High Energy Physics - Theory · Physics 2010-09-10 Hikoya Kasari , Takehiko T. Fujishiro