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With the attempts of extending the hydrodynamic framework of heavy-ion collision to proton-proton and other small and low energy systems, we are confronted with the question of how small the system can get and still be safely modelled as a…

高能物理 - 唯象学 · 物理学 2022-12-02 Nikhil Hatwar , Madhukar Mishra

The main ideas, technical concepts and perspectives for a mode resolved description of the hydrodynamical regime of relativistic heavy ion collisions are discussed. A background-fluctuation splitting and a Bessel-Fourier expansion for the…

核理论 · 物理学 2014-08-28 Stefan Floerchinger

Viscous hydrodynamics gives a satisfactory description of the transverse momentum spectra, of the elliptic and triangular flow, and of the femtoscopic correlations for particles produced in relativistic heavy-ion collisions. On general…

核理论 · 物理学 2014-05-08 Piotr Bozek , Wojciech Broniowski , Giorgio Torrieri

Confined granular fluids, placed in a shallow box that is vibrated vertically, can achieve homogeneous stationary states thanks to energy injection mechanisms that take place throughout the system. These states can be stable even at high…

软凝聚态物质 · 物理学 2015-06-12 Ricardo Brito , Dino Risso , Rodrigo Soto

In this paper we investigate the shear viscoelasticity and the hydrodynamic modes in a holographic solid model with several sets of axions that all break the translations spontaneously on boundary. Comparing with the single-axion model, the…

高能物理 - 理论 · 物理学 2025-01-28 Ling-Zheng Xia , Wei-Jia Li

Using the AdS/CFT correspondence, we study the anisotropic charge transport properties of both supersymmetric and non-supersymmetric matter fields on (2+1)-dimensional defects coupled to a (3+1)-dimensional N=4 SYM "heat bath". We focus on…

高能物理 - 理论 · 物理学 2010-11-30 Matthias C Wapler

We explore the far from equilibrium response of a holographic superfluid using the AdS/CFT correspondence. We establish the dynamical phase diagram corresponding to quantum quenches of the order parameter source field. We find three…

高能物理 - 理论 · 物理学 2015-06-05 M. J. Bhaseen , Jerome P. Gauntlett , B. D. Simons , Julian Sonner , Toby Wiseman

We adopt a two-moment formalism, together with a reference-metric approach, to express the equations of relativistic radiation hydrodynamics in a form that is well-suited for numerical implementations in curvilinear coordinates. We…

广义相对论与量子宇宙学 · 物理学 2020-11-11 Thomas W. Baumgarte , Stuart L. Shapiro

In this work we analyze the hydrodynamics of a $p-$ wave superfluid on its strongly coupled regime by considering its holographic description. We obtain the poles of the retarded Green function through the computation of the quasi-normal…

高能物理 - 理论 · 物理学 2015-06-22 Raul E. Arias , Ignacio Salazar Landea

We investigate relativistic low angular momentum accretion of inviscid perfect fluid onto a Schwarzschild black hole. The simulations are performed with a general-relativistic, high-resolution (second-order), shock-capturing, hydrodynamical…

广义相对论与量子宇宙学 · 物理学 2018-03-13 Patryk Mach , Michał Piróg , José A. Font

The spectrum of an exactly solvable non-relativistic system of a charged particle interacting with a quantized electromagnetic mode is studied with various polarizations. Quasiparticle dispersion relations can be derived from the…

量子物理 · 物理学 2017-06-13 P. Mati

We perform 3+1D viscous hydrodynamic calculations of proton-lead and lead-lead collisions at top LHC energy. We show that existing data from high-multiplicity p-Pb events can be well described in hydrodynamics, suggesting that collective…

核理论 · 物理学 2014-05-16 Igor Kozlov , Matthew Luzum , Gabriel Denicol , Sangyong Jeon , Charles Gale

We search for non-trivial relativistic solutions of the hydrodynamic equations with quasi-inertial flows such as in the Bjorken-like models. The problem is analyzed in general and the known results are reproduced by a method proposed. A new…

核理论 · 物理学 2007-05-23 Yu. M. Sinyukov , Iu. A. Karpenko

In high-quality conductors, the hydrodynamic regime of electron transport has been recently realized. In this work we theoretically investigate magnetotransport of a viscous electron fluid in samples with electron-impermeable obstacles. We…

介观与纳米尺度物理 · 物理学 2023-08-01 P. S. Alekseev , A. P. Dmitriev

We extend the applicability of the hydrodynamics, perturbative QCD and saturation -based EKRT (Eskola-Kajantie-Ruuskanen-Tuominen) framework for ultrarelativistic heavy-ion collisions to peripheral collisions by introducing dynamical…

高能物理 - 唯象学 · 物理学 2023-07-03 H. Hirvonen , K. J. Eskola , H. Niemi

We study the dynamical appearance of scaling solutions in relativistic hydrodynamics. The phase transition effects are included through the temperature dependent sound velocity. If a pre-equilibrium transverse flow is included in the…

核理论 · 物理学 2009-11-11 M. Chojnacki

Two-dimensional correlation functions in $\Delta\eta-\Delta \phi$ for charged hadrons emitted in heavy-ion collisions are calculated in event-by-event hydrodynamics. With the Glauber model for the initial density distributions in the…

核理论 · 物理学 2015-06-11 Piotr Bozek , Wojciech Broniowski

Generalized hydrodynamic theory, which does not rest on the requirement of a local equilibrium, is derived in the long-wave limit of a kinetic equation. The theory bridges the whole frequency range between the quasistatic (Navier-Stokes)…

软凝聚态物质 · 物理学 2009-10-31 I. V. Tokatly , O. Pankratov

In this paper we examine time-dependent and three-dimensional perturbations of spherical accretion flow onto a neutron star close to its Eddington limit. Our treatment assumes a Schwarzschild geometry for the spacetime outside the neutron…

天体物理学 · 物理学 2009-10-30 Guy S. Miller , Myeong-Gu Park

We extend the classical phase-space distribution function to include the spin and electromagnetic fields coupling and derive the modified constitutive relations for charge current, energy-momentum tensor, and spin tensor. Because of the…

高能物理 - 唯象学 · 物理学 2023-04-20 Rajeev Singh , Masoud Shokri , S. M. A. Tabatabaee Mehr