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Horava gravity theory possesses global Lifshitz space as a solution and has been conjectured to provide a natural framework for Lifshitz holography. We derive the conditions on the two derivative Horava gravity Lagrangian that are necessary…

高能物理 - 理论 · 物理学 2016-04-06 Sayandeb Basu , Jishnu Bhattacharyya , David Mattingly , Matthew Roberson

We explore the relationship between the first law of thermodynamics and gravitational field equation at a static, spherically symmetric black hole horizon in Ho\v{r}ava-Lifshtiz theory with/without detailed balance. It turns out that as in…

高能物理 - 理论 · 物理学 2010-05-07 Rong-Gen Cai , Nobuyoshi Ohta

Recently, a class of gravitational backgrounds in 3+1 dimensions have been proposed as holographic duals to a Lifshitz theory describing critical phenomena in 2+1 dimensions with critical exponent $z\geq 1$. We continue our earlier work…

高能物理 - 理论 · 物理学 2009-12-14 Gaetano Bertoldi , Benjamin A. Burrington , Amanda W. Peet

Universal horizons in Ho\v{r}ava-Lifshitz gravity and Einstein-{\ae}ther theory are the equivalent of causal horizons in general relativity and appear to have many of the same properties, including a first law of horizon thermodynamics and…

高能物理 - 理论 · 物理学 2015-06-22 Jishnu Bhattacharyya , David Mattingly

Considering the Einstein field equations in Lyra manifold, and applying the unified first law of thermodynamics as well as the Clausius relation to the apparent horizon of FRW universe, we find the entropy of apparent horizon in Lyra…

广义相对论与量子宇宙学 · 物理学 2017-09-12 H. Moradpour , N. Sadeghnezhad , S. Ghaffari , A. Jahan

In this paper, we construct a new class of analytic topological Lifshitz black holes with constant curvature horizon in the presence of power-law Maxwell field in four and higher dimensions. We find that in order to obtain these exact…

广义相对论与量子宇宙学 · 物理学 2015-08-13 M. Kord Zangeneh , A. Sheykhi , M. H. Dehghani

We investigate thermodynamic behaviors of the $D$-dimensional gravity coupled to a dynamical unit timelike vector, the aether, present two kinds of exact charged solutions and study the linearized wave spectrum of this theory. There is an…

广义相对论与量子宇宙学 · 物理学 2019-06-19 Chikun Ding , Anzhong Wang

We investigate the three-dimensional behavior of gravity coupled to a dynamical unit timelike vector: the aether, and present two new classes of exact charged solutions. When c_{13}=0,\Lambda'=0$, we find the solutions is the usual BTZ…

广义相对论与量子宇宙学 · 物理学 2017-03-28 Chikun Ding , Changqing Liu , Anzhong Wang , Jiliang Jing

Here we consider our universe as inhomogeneous spherically symmetric Lemaitre-Tolman-Bondi Model and analyze the thermodynamics of this model of the universe. The trapping horizon is calculated and is found to coincide with the apparent…

广义相对论与量子宇宙学 · 物理学 2011-05-09 Subenoy Chakraborty , Nairwita Mazumder , Ritabrata Biswas

In this paper, we construct a new class of topological black hole Lifshitz solutions in the presence of nonlinear exponential electrodynamics for Einstein-dilaton gravity. We show that the reality of Lifshitz supporting Maxwell matter…

高能物理 - 理论 · 物理学 2016-03-15 M. Kord Zangeneh , A. Dehyadegari , A. Sheykhi , M. H. Dehghani

It was shown recently that, in the case of Schwarschild black hole, one can obtain the correct thermodynamic relations by studying a model quantum system and using a particular duality transformation. We study this approach further for the…

广义相对论与量子宇宙学 · 物理学 2009-03-19 Sudipta Sarkar , T. Padmanabhan

By regarding the Einstein equations as equation(s) of state, we demonstrate that a full cohomogeneity horizon first law can be derived in horizon thermodynamics. In this approach both the entropy and the free energy are derived concepts,…

广义相对论与量子宇宙学 · 物理学 2017-06-28 Devin Hansen , David Kubiznak , Robert Mann

It is possible to provide a physical interpretation for the field equations of gravity based on a thermodynamical perspective. The virtual degrees of freedom associated with the horizons perceived by the local Rindler observers, play a…

广义相对论与量子宇宙学 · 物理学 2010-05-12 T. Padmanabhan

We suggest that using the first law of thermodynamics is a convenient method to obtain a correct form of the expansion law of the universe \cite{T. Padmanabhan1}. We will, then, use this idea to obtain the expansion law for a Kodama…

广义相对论与量子宇宙学 · 物理学 2015-07-07 Fatemeh Lalehgani Dezaki , Behrouz Mirza

In this paper we study the relationship between the Einstein field equations for the (2+1)-dimensional evolving wormhole and the first law of thermodynamics. It has been shown that the Einstein field equations can be rewritten as a similar…

广义相对论与量子宇宙学 · 物理学 2010-11-29 M. Umar Farooq , M. Akbar , Mubasher Jamil

A class of (2+1)-dimensional quantum many body system characterized by an anisotropic scaling symmetry (Lifshitz symmetry) near their quantum critical point can be described by a (3+1)-dimensional dual gravity theory with negative…

高能物理 - 理论 · 物理学 2015-05-14 Somdeb Chakraborty , Parijat Dey , Sourav Karar , Shibaji Roy

The generalized effective potential for motion in Lifshitz geometry (with arbitrary value of both the dynamical exponent $z$ and $f(r)$) is presented. Based on this effective potential energy, we shall show that bounded orbits are forbidden…

高能物理 - 理论 · 物理学 2015-11-13 Keita Kaniba Mady , Dicko Younouss Hameye

Recently, we have generalized the Bekenstein-Hawking entropy formula for black holes embedded in expanding Friedmann universes. In this letter, we begin the study of this new formula to obtain the first law of thermodynamics for dynamical…

高能物理 - 理论 · 物理学 2015-08-11 Stefano Viaggiu

In this work, we have considered the Vaidya spacetime in null radiating fluid with perfect fluid in higher dimension and have found the solution for barotropic fluid. We have shown that the Einstein's field equations can be obtained from…

广义相对论与量子宇宙学 · 物理学 2012-10-04 Ujjal Debnath

Starting from the first law of thermodynamics, $dE=T_hdS_h+WdV$, at apparent horizon of a FRW universe, and assuming that the associated entropy with apparent horizon has a quantum corrected relation, $S=\frac{A}{4G}-\alpha \ln…

高能物理 - 理论 · 物理学 2011-02-09 Ahmad Sheykhi
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