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As the long wavelength limit of the AdS/CFT correspondence, the gravity/fluid correspondence has been shown to be a useful tool for extracting properties of the fluid on the boundary dual to the gravity in the bulk. In this paper, after…

高能物理 - 理论 · 物理学 2014-03-18 Ya-Peng Hu , Jian-Hui Zhang

The long-wavelength effective field theory of world-volume fluctuations of black D3-branes is shown to be a hydrodynamical system to leading order in a gradient expansion. We study the system on a fiducial `cutoff' surface: the fluctuating…

高能物理 - 理论 · 物理学 2022-03-07 Roberto Emparan , Veronika E Hubeny , Mukund Rangamani

We examine the hydrodynamic limit of non-conformal branes using the recently developed precise holographic dictionary. We first streamline the discussion of holography for backgrounds that asymptote locally to non-conformal brane solutions…

高能物理 - 理论 · 物理学 2009-04-22 Ingmar Kanitscheider , Kostas Skenderis

An example of capillary phenomena commonly seen and often studied is a droplet of water hanging in air from a horizontal surface. A thin capillary surface interface between the liquid and gas develops tangential surface tension, which…

流体动力学 · 物理学 2019-04-09 Dale G. Karr

The derivation of shallow water models from Navier-Stokes equations is revisited yielding a class of two-layer shallow water models.An improved velocity profile is proposed, based on the superposition of an ideal fluid and a viscous layer…

偏微分方程分析 · 数学 2018-06-11 François James , Pierre-Yves Lagrée , Hoang-Minh Le , Mathilde Legrand

We propose a two-dimensional flow model of a viscous fluid between two close moving surfaces. We show, using a formal asymptotic expansion of the solution, that its asymptotic behavior, when the distance between the two surfaces tends to…

偏微分方程分析 · 数学 2023-08-01 José M. Rodríguez , Raquel Taboada-Vázquez

We study asymptotically slowly varying perturbations of the AdS black brane in Einstein's gravity with a negative cosmological constant. We allow both the induced metric and the Brown-York stress tensor at a given radial cut-off slice to…

高能物理 - 理论 · 物理学 2012-01-04 Stanislav Kuperstein , Ayan Mukhopadhyay

Analogue gravity offers an approach for testing the universality and robustness of quantum field theories in curved spacetimes and validating them using down-to-earth, laboratory-based experiments. Fluid interfaces are a promising framework…

广义相对论与量子宇宙学 · 物理学 2023-06-27 Vitor S. Barroso , Cameron R. D. Bunney , Silke Weinfurtner

It is well known that, at a macroscopic level, the boundary condition for a viscous fluid at a solid wall is one of "no-slip". The liquid velocity field vanishes at a fixed solid boundary. In this paper, we consider the special case of a…

软凝聚态物质 · 物理学 2015-06-25 Jean-Louis Barrat , Lydéric Bocquet

This work presents an analysis of the behavior of an electromagnetic field near the common edge of two resistive half-planes with different surface impedances. Contrary to the case of a single resistive half-plane, in the case of the…

应用物理 · 物理学 2024-08-22 Igor M. Braver , Pinchos Sh. Fridberg , Khona L. Garb , Iosif M. Yakover

This manuscript is a survey on results related to boundary layers and the vanishing viscosity limit for incompressible flow. It is the lecture notes for a 10 hour minicourse given at the Morningside Center, Academia Sinica, Beijing, PRC…

偏微分方程分析 · 数学 2007-12-07 Milton C. Lopes Filho

This paper concerns the dynamics of two layers of compressible, barotropic, viscous fluid lying atop one another. The lower fluid is bounded below by a rigid bottom, and the upper fluid is bounded above by a trivial fluid of constant…

偏微分方程分析 · 数学 2016-02-17 Juhi Jang , Ian Tice , Yanjin Wang

We consider an adhesive contact between a thin soft layer on a rigid substrate and a rigid cylindrical indenter ("line contact") with account of the surface tension of the layer. First, it is shown that the boundary condition for the…

软凝聚态物质 · 物理学 2020-02-06 Valentin L. Popov

We consider an isotropic compressible non-dissipative fluid with broken parity subject to free surface boundary conditions in two spatial dimensions. The hydrodynamic equations describing the bulk dynamics of the fluid as well as the free…

流体动力学 · 物理学 2020-10-28 Alexander G. Abanov , Tankut Can , Sriram Ganeshan , Gustavo M. Monteiro

The hydrodynamics of liquid flowing past gas sectors of unidirectional superhydrophobic surfaces is revisited. Attention is focussed on the local slip boundary condition at the liquid-gas interface, which is equivalent to the effect of a…

流体动力学 · 物理学 2018-01-18 Alexander L. Dubov , Tatiana V. Nizkaya , Evgeny S. Asmolov , Olga I. Vinogradova

The problem of surface effects at a fluid/force field boundary is investigated. A classical simple fluid with a locally introduced field simulating a solid is considered. For the case of a hard-core field, rigid, exponential, realistic, and…

统计力学 · 物理学 2011-12-08 V. M. Zaskulnikov

This paper concerns the dynamics of a layer of incompressible viscous fluid lying above a rigid plane and with an upper boundary given by a free surface. The fluid is subject to a constant external force with a horizontal component, which…

偏微分方程分析 · 数学 2018-03-14 Ian Tice

An analogue model for the $\text{AdS}_2$ spacetime has been recently introduced by Mosna, Pitelli and Richartz [Phys. Rev. D 94, 104065 (2016)] by considering sound waves propagating on a fluid with an ill-defined velocity profile at its…

广义相对论与量子宇宙学 · 物理学 2022-07-15 David Q. Aruquipa , Ricardo A. Mosna , J. P. M. Pitelli

Gravity/fluid correspondence becomes an important tool to investigate the strongly correlated fluids. We carefully investigate the holographic fluids at the finite cutoff surface by considering different boundary conditions in the scenario…

高能物理 - 理论 · 物理学 2018-12-27 Ya-Peng Hu , Yu Tian , Xiao-Ning Wu , Huai-Fan Li , Hongsheng Zhang

Comparison of a few simple models of fluid and solid membranes illustrates how shear stresses can arise from a bending energy through a coupling between curvature and surface stresses, a feature incidental to the fluid or solid nature of…

软凝聚态物质 · 物理学 2025-06-03 S. Dharmavaram , J. A. Hanna