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Related papers: Hall Viscosity in the Quark-Gluon Plasma

200 papers

The non-equilibrium properties of quark-gluon plasma (QGP) have been a topic of intensive research. In this contribution, we explore the nature of heavy quarkonia immersed in a QGP with bulk viscosity. We incorporate the bulk viscous effect…

High Energy Physics - Phenomenology · Physics 2022-07-14 Lata Thakur , Yuji Hirono , Najmul Haque

We show how a Hall viscosity induced by a magnetic field can be generated in strongly coupled theories with a holographic dual. This is achieved by considering parity-breaking higher derivative terms in the gravity dual. These terms couple…

High Energy Physics - Theory · Physics 2019-10-02 Carlos Hoyos , Francisco Peña-Benitez , Piotr Witkowski

In (2+1)-dimensional systems with broken parity, there exists yet another transport coefficient, appearing at the same order as the shear viscosity in the hydrodynamic derivative expansion. In condensed matter physics, it is referred to as…

High Energy Physics - Theory · Physics 2012-08-23 Omid Saremi , Dam Thanh Son

We investigate the implications of a nonzero bulk viscosity coefficient on the azimuthal momentum anisotropy of ultracentral relativistic heavy ion collisions at the Large Hadron Collider. We find that, with IP-Glasma initial conditions, a…

Nuclear Theory · Physics 2015-06-22 J. -B. Rose , J. -F. Paquet , G. S. Denicol , M. Luzum , B. Schenke , S. Jeon , C. Gale

It is shown that the acoustic scaling patterns of anisotropic flow for different event shapes at a fixed collision centrality (shape-engineered events), provide robust constraints for the event-by-event fluctuations in the initial-state…

Nuclear Experiment · Physics 2013-11-11 Roy A. Lacey , D. Reynolds , A. Taranenko , N. N. Ajitanand , J. M. Alexander , Fu-Hu Liu , Yi Gu , A. Mwai

Due to their weak final state interactions, the $\phi$ meson and $\Omega$ baryon provide unique probes of the properties of the quark-gluon plasma (QGP) formed in relativistic heavy-ion collisions. Using the quark recombination model with…

Nuclear Theory · Physics 2024-04-18 Zhidong Yang , Lie-Wen Chen

Ultrarelativistic collisions between heavy nuclei briefly generate the quark-gluon plasma (QGP), a new state of matter characterized by deconfined partons last seen microseconds after the Big Bang. The properties of the QGP are of intense…

Nuclear Theory · Physics 2021-08-04 Francesco Becattini , Jinfeng Liao , Michael Lisa

A Lagrangian density for viscous quark-gluon plasma has been constructed within the fluid-like QCD framework. Gauge symmetry is preserved for all terms inside the Lagrangian, except for the viscous term. The transition mechanism from point…

Nuclear Theory · Physics 2014-10-15 T. P. Djun , B. Soegijono , T. Mart , L. T. Handoko

We investigate the influence of a temperature-dependent shear viscosity over entropy density ratio eta/s on the transverse momentum spectra and elliptic flow of hadrons in ultrarelativistic heavy-ion collisions. We find that the elliptic…

Nuclear Theory · Physics 2011-06-27 Harri Niemi , Gabriel S. Denicol , Pasi Huovinen , Etele Molnar , Dirk H. Rischke

In off-central heavy-ion collisions, the quark-gluon plasma (QGP) is exposed to the strongest magnetic fields ever created in the universe. Due to the paramagnetic nature of the QGP at high temperatures, the spatially inhomogeneous magnetic…

Nuclear Theory · Physics 2016-05-04 Long-gang Pang , Gergely Endrődi , Hannah Petersen

In this study, we analyze the transport properties of the Quark-Gluon Plasma, focusing on bulk ($\zeta$) and shear ($\eta$) viscosities at vanishing chemical potential. To describe the QGP, we employ a quasiparticle model for quarks along…

High Energy Physics - Phenomenology · Physics 2025-01-03 Sadaf Madni , Arghya Mukherjee , Amaresh Jaiswal , Najmul Haque

We investigate the hyperon polarization and its relation with the directed flow of the quark-gluon plasma (QGP) in non-central Au+Au collisions at $\sqrt{s_{\textrm{NN}}} = 27$ GeV. A modified 3-dimensional (3D) Glauber model is developed…

Nuclear Theory · Physics 2023-12-11 Ze-Fang Jiang , Xiang-Yu Wu , Shanshan Cao , Ben-Wei Zhang

We explore the out-of-equilibrium dynamics of the Quark-Gluon Plasma at zero and finite net-baryon density based on an effective kinetic theory of Quantum Chromo Dynamics (QCD). By investigating the isotropization of the longitudinal…

High Energy Physics - Phenomenology · Physics 2021-09-22 Xiaojian Du , Sören Schlichting

The shear viscosity to entropy density ratio ({\eta}/s) of quark gluon plasma produced in ultra- relativistic heavy-ion collisions has been studied from the energy loss of heavy quarks in QGP medium. We have also studied the bulk viscosity…

High Energy Physics - Phenomenology · Physics 2018-03-13 Ashik Ikbal Sheikh , Zubayer Ahammed

The interplay of magnetic field and thermal vorticity in a relativistic ideal fluid might generate fluid vorticity during the fluid evolution provided the flow fields and the entropy density of the fluid is inhomogeneous…

Nuclear Theory · Physics 2017-05-17 Ashutosh Dash , Victor Roy , Bedangadas Mohanty

We study helicity polarization through the (3+1) dimensional relativistic viscous hydrodynamic models at $\sqrt{s_{NN}}=200$GeV Au+Au collisions. Similar to the local spin polarization, we consider the helicity polarization beyond global…

High Energy Physics - Phenomenology · Physics 2022-05-03 Cong Yi , Shi Pu , Jian-Hua Gao , Di-Lun Yang

We study linear and nonlinear wave propagation in a dense and cold hadron gas and also in a cold quark gluon plasma, taking viscosity into account and using the Navier-Stokes equation. The equation of state of the hadronic phase is derived…

Nuclear Theory · Physics 2013-09-09 D. A. Fogaça , F. S. Navarra , L. G. Ferreira Filho

The quark--gluon plasma produced in relativistic heavy--ion collisions behaves as a nearly perfect fluid characterized by an exceptionally small shear viscosity to entropy density ratio. Understanding the microscopic origin of this small…

High Energy Physics - Phenomenology · Physics 2026-03-17 Debmalya Mukhopadhyay

The contribution presents a summary of the Gauge/Gravity approach to the study of hydrodynamic flow of the quark-gluon plasma formed in heavy-ion collisions. Considering the ideal case of a supersymmetric Yang-Mills theory for which the…

High Energy Physics - Theory · Physics 2009-06-24 Michal P. Heller , Romuald A. Janik , R. Peschanski

Charmonium directed flows are studied based on transport model coupled with the realistic three dimensional expansions of the bulk medium. The non-central symmetric nucleus-nucleus collisions can generate the rotating quark-gluon plasma…

Nuclear Theory · Physics 2020-02-19 Baoyi Chen , Maoxin Hu , Huanyu Zhang , Jiaxing Zhao