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We investigate the magnetohydrodynamics in the presence of an external magnetic field following the power-law decay in proper time and having spatial inhomogeneity characterized by a Gaussian distribution in one of transverse coordinates…

Nuclear Theory · Physics 2016-04-20 Shi Pu , Di-Lun Yang

We argue that the existence of an inhomogeneous external magnetic field can lead to radial flow in transverse plane. Our aim is to show how the introduction of a magnetic field generalizes the Bjorken flow. We investigate the effect of an…

Nuclear Theory · Physics 2019-12-03 M. Haddadi Moghaddam , B. Azadegan , A. F. Kord , W. M. Alberico

In the initial stage of relativistic heavy-ion collisions, strong magnetic fields appear due to the large velocity of the colliding charges. The evolution of these fields appears as a novel and intriguing feature in the fluid-dynamical…

Nuclear Theory · Physics 2016-06-03 Victor Roy , Shi Pu , Luciano Rezzolla , Dirk Rischke

In this work, we study the 1+1 longitudinal acceleration expansion of hot and dense quark matter as a conducting relativistic fluid with the electric conductivity $\sigma$. The plasma has embedded in the presence of electric and magnetic…

Nuclear Theory · Physics 2020-11-11 A. F. Kord , A. Ghaani , M. Haddadi Moghaddam

We have derived the solutions of the relativistic anomalous magnetohydrodynamics with longitudinal Bjorken boost invariance and transverse electromagnetic fields in the presence of temperature or energy density dependent electric…

High Energy Physics - Phenomenology · Physics 2023-05-24 Hao-Hao Peng , Sihao Wu , Ren-jie Wang , Duan She , Shi Pu

We study the one-dimensional, longitudinally boost-invariant motion of an ideal fluid with infinite conductivity in the presence of a transverse magnetic field, i.e., in the ideal transverse magnetohydrodynamical limit. In an extension of…

Nuclear Theory · Physics 2016-04-27 Shi Pu , Victor Roy , Luciano Rezzolla , Dirk H. Rischke

In this study, we investigate the impact of the magnetic field on the evolution of the transverse flow of QGP matter in the magneto-hydrodynamic (MHD) framework. We assume that the magnetic field is perpendicular to the reaction plane and…

High Energy Physics - Phenomenology · Physics 2019-12-03 M. Haddadi Moghaddam , B. Azadegan , A. F. Kord , W. M. Alberico

We study anomalous magnetohydrodynamics in a longitudinal boost invariant Bjorken flow with constant anisotropic electric conductivities as outlined in Ref. [1]. For simplicity, we consider a neutral fluid and a force-free magnetic field in…

High Energy Physics - Phenomenology · Physics 2021-02-03 Ren-jie Wang , Patrick Copinger , Shi Pu

Due to the absence of a transverse expansion with respect to the beam direction, the Bjorken flow is unable to describe certain observables in heavy ion collisions. This caveat has motivated the introduction of analytical relativistic…

High Energy Physics - Phenomenology · Physics 2019-09-30 M. Shokri , N. Sadooghi

In the context of the longitudinally boost-invariant Bjorken flow with transverse expansion, we use three different numerical methods to analyze the emergence of attractor solutions in an ideal gas of massless particles exhibiting constant…

Nuclear Theory · Physics 2021-12-21 Victor E. Ambrus , Sergiu Busuioc , Jan A. Fotakis , Kai Gallmeister , Carsten Greiner

Through a complex shift of the time coordinate, a modification of Bjorken flow is introduced which interpolates between a glasma-like stress tensor at forward rapidities and Bjorken-like hydrodynamics around mid-rapidity. A Landau-like…

High Energy Physics - Theory · Physics 2013-05-30 Steven S. Gubser

In this paper, two classes of exact analytic time-dependent soultion of magnetic annihilation for incompressible magnetic fluid, have been obtained by solving the magnetohydrodynamic (MHD) equations directly. The solutions derived here…

Plasma Physics · Physics 2007-05-23 Xue-Shang Feng , Yong Liu , Feng-Si Wei , Zhan-Yin Ye

In large-$N_c$ conformal field theories with classical holographic duals, inverse coupling constant corrections are obtained by considering higher-derivative terms in the corresponding gravity theory. In this work, we use type IIB…

High Energy Physics - Theory · Physics 2017-12-15 Brandon S. DiNunno , Sašo Grozdanov , Juan F. Pedraza , Steve Young

We have investigated the late-time asymptotic solutions, attractor, and focusing behavior of minimal causal spin hydrodynamics in Bjorken expansion. Using the method of dominant balance, we derive the late-time asymptotic solutions of the…

High Energy Physics - Phenomenology · Physics 2024-08-08 Dong-Lin Wang , Li Yan , Shi Pu

In the present work, we investigate the effects of magnetic field on expanding hot and dense nuclear matter as an ideal fluid. We consider QGP, on the particular case of a (1 + 2) dimensional longitudinally boost-invariant fluid expansion,…

Nuclear Theory · Physics 2021-08-09 R. Emamian , A. F. Kord , A. Ghaani , B. Azadegan

The coupled equations that describe the effect of large-scale magnetic and velocity fields on forced high-diffusivity magnetohydrodynamic flows are investigated through an extension of mean field electrodynamics. Our results generalise…

Solar and Stellar Astrophysics · Physics 2015-05-18 A. Courvoisier , D. W. Hughes , M. R. E. Proctor

We investigate the space-time dependence of electromagnetic fields produced by charged participants in an expanding fluid. To address this problem, we need to solve the Maxwell's equations coupled to the hydrodynamics conservation equation,…

High Energy Physics - Theory · Physics 2023-11-23 Ashutosh Dash , Ankit Kumar Panda

We re-examine the nature of the turbulent magnetic diffusivity tensor of mean field electrodynamics and show that an inconsistency arises if it is calculated via consideration of time-independent magnetic fields. Specifically, the predicted…

Solar and Stellar Astrophysics · Physics 2010-01-14 David W. Hughes , Michael R. E. Proctor

The time evolution of the averaged energy momentum tensor as well as its variation with energy density are calculated in a far-from-equilibrium state of $\mathcal{N}=4$ SYM theory undergoing a Bjorken expansion. The calculation is carried…

High Energy Physics - Theory · Physics 2023-06-07 Casey Cartwright , Matthias Kaminski , Marco Knipfer

Motivated by the recently found realization of the $1+1$ dimensional Bjorken flow in ideal and nonideal relativistic magnetohydrodynamics (MHD), we use appropriate symmetry arguments, and determine the evolution of magnetic fields arising…

Nuclear Theory · Physics 2018-12-26 M. Shokri , N. Sadooghi
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