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Related papers: Flowing holographic anyonic superfluid

200 papers

A comprehensive review of current analytical models, experimental techniques, and influencing factors is carried out to highlight the current challenges in this area. The study of fluid-solid boundary conditions has been ongoing for more…

Soft Condensed Matter · Physics 2017-05-09 Jian-Jun Shu , Ji Bin Melvin Teo , Weng Kong Chan

This study explores experimentally the turbulent flow in a laboratory flume, interacting with waves propagated against the flow. It focuses a region of wave-blocking for which there is a streamwise location on the water surface, where the…

Fluid Dynamics · Physics 2018-04-18 Debasmita Chatterjee , B. S. Mazumder , Subir Ghosh

The flow of micropolar fluid through a membrane modeled as a swarm of solid cylindrical particles with porous layer using the cell model technique is considered. The flow is directed perpendicular to the axis of the cylinders. Boundary…

Fluid Dynamics · Physics 2019-09-04 D. Yu. Khanukaeva , A. N. Filippov , P. K. Yadav , A. Tiwari

The onset of turbulent flow around an oscillating sphere in superfluid $^4$He is known to occur at a critical velocity $v_c \sim \sqrt{\kappa\omega}$ where $\kappa$ is the circulation quantum and $\omega$ is the oscillation frequency. But…

Other Condensed Matter · Physics 2015-01-29 W. Schoepe , R. Hänninen , M. Niemetz

We revisit the question of stability of holographic superfluids with finite superfluid velocity. Our method is based on applying the Landau criterion to the Quasinormal Mode (QNM) spectrum. In particular we study the QNMs related to the…

High Energy Physics - Theory · Physics 2015-06-16 Irene Amado , Daniel Arean , Amadeo Jimenez-Alba , Karl Landsteiner , Luis Melgar , Ignacio Salazar Landea

We investigate the analytical method in studying the holographic superfluid model which is described by Maxwell field minimally coupling to a charged scalar field in a fixed AdS black hole background. We propose a method that enables us to…

High Energy Physics - Theory · Physics 2015-06-19 Wung-Hong Huang

Recent experiments performed on a variety of soft glassy materials have demonstrated that any imposed shear flow serves to simultaneously fluidize these systems in all spatial directions [Ovarlez \textit{et al.} (2010)]. When probed with a…

Soft Condensed Matter · Physics 2012-02-27 T. F. F. Farage , J. M. Brader

We study the notion of superfluid critical velocity in one spatial dimension. It is shown that for heavy impurities with mass $M$ exceeding a critical mass $M_\mathrm{c}$, the dispersion develops periodic metastable branches resulting in…

Quantum Gases · Physics 2012-05-15 Michael Schecter , Alex Kamenev , Dimitri Gangardt , Austen Lamacraft

Hydraulic jumps are oftentimes encountered in natural and human-made environments. The transition from supercritical to subcritical flow involves large energy dissipation rates and substantial air entrainment, preventing the use of…

Fluid Dynamics · Physics 2022-04-26 Matthias Kramer , Daniel Valero

Using the molecular dynamics simulations we investigate properties of velocity autocorrelation function of Lennard-Jones fluid at long and intermediate time scales in wide ranges of temperature and density. We show that the amplitudes of…

Soft Condensed Matter · Physics 2014-09-30 R. E. Ryltsev , N. M. Chtchelkatchev

Self-driven nanofluidic flow at the liquid-air interface is a non-intuitive phenomenon. This flow behaviour was not driven by classical pressure difference or evaporation only. Depending on the position of the nanofluidic pore we can…

Quantum Physics · Physics 2022-09-02 Vinitha Johny , Sonia Contera , Siddharth Ghosh

We study the breaking of an Abelian symmetry close to the horizon of an uncharged rotating Anti-de Sitter black string in 3+1 dimensions. The boundary theory living on R^2 x S^1 has no rotation, but a magnetic field that is aligned with the…

High Energy Physics - Theory · Physics 2014-11-21 Yves Brihaye , Betti Hartmann

We consider the behaviour of a continuous super-Brownian motion catalysed by a random medium with infinite overall density under the hydrodynamic scaling of mass, time, and space. We show that, in supercritical dimensions, the scaled…

Probability · Mathematics 2007-05-23 Klaus Fleischmann , Peter Moerters , Vitali Wachtel

--In this article we study the hydrodynamic spectrum of a superfluid confined in a cylindrical trap. We show that the dispersion relation $\omega$(q) of the phonon branch scales like $\sqrt$ q at large q, leading to a vanishingly small…

Quantum Gases · Physics 2016-08-08 Pierre-Philippe Crépin , Xavier Leyronas , Frédéric Chevy

The crystallization of a binary system is investigated in computer model which takes into account a temperature dependence of diffusion coefficient and a nonequilibrium partition of dissolved component of the alloy. The dependence of…

Materials Science · Physics 2008-04-14 L. P. Tarabaev , V. O. Esin

We consider a model of nonlinear superfluid flow past a periodic array of point-like scatterers in one dimension. An application of this model is the determination of the critical current of a Josephson array in a regime appropriate to a…

Superconductivity · Physics 2009-10-31 D. Taras-Semchuk , J. M. F. Gunn

We develop a theory for the interaction of light with superfluid optical media, describing the motion of quantum impurities that are created and dragged through the liquid by propagating photons. It is well known that a mobile impurity…

Quantum Gases · Physics 2020-07-22 K. Knakkergaard Nielsen , A. Camacho-Guardian , G. M. Bruun , T. Pohl

Superfluid flow around an oscillating microsphere is investigated at temperatures down to 25 mK. Stable laminar flow below a critical velocity and turbulence at large drives are found to be separated below 0.5 K by an intermediate range of…

Condensed Matter · Physics 2007-05-23 Michael Niemetz , Hubert Kerscher , Wilfried Schoepe

According to the Landau criterion for superfluidity, a Bose-Einstein condensate flowing with a group velocity smaller than the sound velocity is energetically stable to the presence of perturbing potentials. We found that this is strictly…

Other Condensed Matter · Physics 2009-11-11 Sara Ianeselli , Chiara Menotti , Augusto Smerzi

Anisotropic flow coefficients and their fluctuations are investigated for Au+Au collisions at center of mass energy $\sqrt{s_{NN}}$ = 200 GeV by using a multi-phase transport model with string melting scenario. Experimental results of…

Nuclear Theory · Physics 2015-06-19 L. Ma , G. L. Ma , Y. G. Ma