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Imposing the Petrov-like boundary condition on the hypersurface at finite cutoff, we derive the hydrodynamic equation on the hypersurface from the bulk Einstein equation with electromagnetic field in the near horizon limit. We first get the…

高能物理 - 理论 · 物理学 2012-11-02 Cheng-Yong Zhang , Yi Ling , Chao Niu , Yu Tian , Xiao-Ning Wu

Einstein equations projected on to a black hole horizon gives rise to Navier-Stokes equations. Horizon-fluids typically possess unusual features like negative bulk viscosity and it is not clear whether a statistical mechanical description…

广义相对论与量子宇宙学 · 物理学 2016-03-23 Swastik Bhattacharya , S. Shankaranarayanan

Recently Lysov and Strominger [arXiv:1104.5502] showed that imposing Petrov type I condition on a $(p+1)$-dimensional timelike hypersurface embedded in a $(p+2)$-dimensional vacuum Einstein gravity reduces the degrees of freedom in the…

高能物理 - 理论 · 物理学 2014-03-18 Rong-Gen Cai , Li Li , Qing Yang , Yun-Long Zhang

A generalization of entropy to near-equilibrium phenomena is provided by the notion of a hydrodynamic entropy current. Recent advances in holography have lead to the formulation of fluid-gravity duality, a remarkable connection between the…

高能物理 - 理论 · 物理学 2011-03-29 Ivan Booth , Michal P. Heller , Michal Spalinski

We study the dual fluid on a finite cutoff surface outside the black brane horizon in the third order Lovelock gravity. Using nonrelativistic long-wavelength expansion, we obtain the incompressible Navier-Stokes equations of dual fluid with…

高能物理 - 理论 · 物理学 2013-04-15 De-Cheng Zou , Shao-Jun Zhang , Bin Wang

We propose a set of generalized incompressible fluid dynamical equations, which interpolates between the Burgers and Navier-Stokes equations in two dimensions and study their properties theoretically and numerically. It is well-known that…

流体动力学 · 物理学 2024-08-14 Koji Ohkitani

Motivated by the gravity/fluid correspondence, we introduce a new method for characterizing nonlinear gravitational interactions. Namely we map the nonlinear perturbative form of the Einstein equation to the equations of motion of a…

广义相对论与量子宇宙学 · 物理学 2015-04-16 Huan Yang , Fan Zhang , Stephen R. Green , Luis Lehner

The relativistic hydrodynamical equations are being examined with the aim of extracting the quantum-mechanical equations (the relativistic Klein-Gordon equation and the Schr\"odinger equation in the non-relativistic limit). In both cases it…

综合物理 · 物理学 2015-10-12 Valeriy I. Sbitnev

The dual fluid description for a general cutoff surface at radius r=r_c outside the horizon in the charged AdS black brane bulk space-time is investigated, first in the Einstein-Maxwell theory. Under the non-relativistic long-wavelength…

高能物理 - 理论 · 物理学 2012-04-27 Chao Niu , Yu Tian , Xiao-Ning Wu , Yi Ling

The article provides an analytical solution of the Navier-Stokes equations for the case of the steady flow of an incompressible fluid between two uniformly co-rotating disks. The solution is derived from the asymptotical evolution of…

流体动力学 · 物理学 2007-05-23 Milan Batista

The duality of gravitational dynamics (projected on a null hypersurface) and of fluid dynamics is investigated for the scalar tensor (ST) theory of gravity. The description of ST gravity, in both Einstein and Jordan frames, is analyzed from…

高能物理 - 理论 · 物理学 2020-07-07 Krishnakanta Bhattacharya , Bibhas Ranjan Majhi , Douglas Singleton

We study the problem of a spherically-symmetric distribution of a perfect relativistic fluid accreting onto a (potentially spinning) black hole within a fully discrete spacetime setting. This problem has previously been studied extensively…

广义相对论与量子宇宙学 · 物理学 2024-02-06 Jonathan Gorard

We investigate the gravitational field of static perfect-fluid in the presence of electric field. We adopt the equation of state $p(r)=-\rho(r)/3$ for the fluid in order to consider the closed ($S_3$) or the open ($H_3$) background spatial…

广义相对论与量子宇宙学 · 物理学 2019-01-21 Inyong Cho

We generalize the framework in arXiv:1104.5502 to the case that an embedding may have a nonvanishing intrinsic curvature. Directly employing the Brown-York stress tensor as the fundamental variables, we study the effect of finite…

广义相对论与量子宇宙学 · 物理学 2011-10-20 Tai-Zhuo Huang , Yi Ling , Wen-Jian Pan , Yu Tian , Xiao-Ning Wu

Equations of gravity when projected on spacetime horizons resemble Navier-Stokes equation of a fluid with a specific equation of state [1-3]. We show that this equation of state describes massless ideal relativistic gas. We use these…

广义相对论与量子宇宙学 · 物理学 2016-03-03 Jozef Skakala , S. Shankaranarayanan

Analogue gravity models describe linear fluctuations of fluids as a massless scalar field propagating on stationary acoustic spacetimes constructed from the background flow. In this paper, we establish that this paradigm generalizes to…

广义相对论与量子宇宙学 · 物理学 2022-08-17 Karan Fernandes , Susovan Maity , Tapas K. Das

The old suggestive observation that black holes often resemble lumps of fluid has recently been taken beyond the level of an analogy to a precise duality. We investigate aspects of this duality, and in particular clarify the relation…

高能物理 - 理论 · 物理学 2009-04-17 Marco M. Caldarelli , Oscar J. C. Dias , Roberto Emparan , Dietmar Klemm

By foliating the four-dimensional C-metric black hole spacetime, we consider a kind of initial-value-like formulation of the vacuum Einstein's equation, the holographic initial data is a double consisting of the induced metric and the…

广义相对论与量子宇宙学 · 物理学 2017-04-07 Xin Hao , Bin Wu , Liu Zhao

The curved geometry of a spacetime manifold arises as a solution of Einstein's gravitational field equation. We show that the metric of a spherically symmetric gravitational field configuration can be viewed as an optical metric created by…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Yuri N. Obukhov

Fluid analog models for gravity are based on the idea that any spacetime geometry admits a reinterpretation in which space is thought of as a fluid flowing with a prescribed velocity. This fluid picture is a restatement of the ADM…

广义相对论与量子宇宙学 · 物理学 2018-08-08 Pablo Garza , Daniel Kabat , Ariana van Gelder