English
Related papers

Related papers: Viscosity, wave damping and shock wave formation i…

200 papers

The effects of the non-extensive statistics on the nonlinear propagation of perturbations have been studied within the scope of relativistic second order dissipative hydrodynamics with the non-extensive equation of state. We have shown that…

We study wave propagation in a non-relativistic cold quark-gluon plasma immersed in a constant magnetic field. Starting from the Euler equation we derive linear wave equations and investigate their stability and causality. We use a generic…

High Energy Physics - Phenomenology · Physics 2018-03-07 D. A. Fogaça , S. M. Sanches , F. S. Navarra

We propose an algebraic form for the density of states of quarks and gluons in a Quark-Gluon Plasma (QGP) fireball in quasi-equilibrium with a hadronic medium as $\rho(k)= \frac {\alpha}{k} + {\beta}k + {\delta}k^{2}$, and determine the…

High Energy Physics - Phenomenology · Physics 2011-03-28 R. Ramanathan , Agam K. Jha , S. S. Singh

We investigate the hadronic cooling of a quark droplet within a microscopic model. The color flux tube approach is used to describe the hadronization of the quark phase. The model reproduces experimental particle ratios equally well…

Nuclear Theory · Physics 2007-05-23 M. Hofmann , J. M. Eisenberg , S. Scherer , M. Bleicher , L. Neise , H. Stöcker , W. Greiner

Quark-Gluon plasmas produced in relativistic heavy-ion collisions quickly expand and cool, entering a phase consisting of multiple interacting hadronic resonances just below the QCD deconfinement temperature, $T\sim 155$ MeV. Numerical…

Nuclear Theory · Physics 2017-02-08 Scott Pratt , Alexander Baez , Jane Kim

Quark-Gluon plasmas produced in relativistic heavy-ion collisions quickly expand and cool, entering a phase consisting of multiple interacting hadronic resonances just below the QCD deconfinement temperature. The transport properties of…

Nuclear Theory · Physics 2014-09-02 Paul Romatschke , Scott Pratt

We study the propagation of energy density perturbation in a hot, ideal quark-gluon medium in which quarks and gluons follow the Tsallis-like momentum distributions. We have observed that a non-extensive MIT bag equation of state obtained…

Nuclear Theory · Physics 2020-08-05 Trambak Bhattacharyya , Abhik Mukherjee

The shear ($\eta$) and bulk ($\zeta$) viscosities are calculated in a quasiparticle relaxation time approximation. The hadron phase is described within the relativistic mean field based model with scaled hadron masses and couplings. The…

Nuclear Theory · Physics 2010-10-19 A. S. Khvorostukhin , V. D. Toneev , D. N. Voskresensky

We investigate the relativistic equation of state of hadronic matter and quark-gluon plasma at finite temperature and baryon density in the framework of the non-extensive statistical mechanics, characterized by power-law quantum…

Nuclear Theory · Physics 2012-11-09 G. Gervino , A. Lavagno , D. Pigato

A combined effective model reproducing the equation of state of hadronic matter as obtained in recent lattice QCD simulations is presented. The model reproduces basic physical characteristics encountered in dense hadronic matter in the…

Nuclear Theory · Physics 2013-08-26 L. Turko , D. Blaschke , D. Prorok , J. Berdermann

We study the Hall viscosity of the quark gluon plasma (QGP) created in non-central heavy-ion collisions. In the presence of a strong magnetic field or vorticity, rotational symmetry is broken from O(3) to O(2), allowing for two independent…

Nuclear Theory · Physics 2026-04-01 Sukrut Mondkar , Giorgio Torrieri , Matthias Kaminski , René Meyer

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

Based on the first principle calculation, a Lagrangian for the system describing quarks, gluons, and their interactions, is constructed. Ascribed to the existence of dissipative behavior as a consequence of strong interaction within…

High Energy Physics - Phenomenology · Physics 2015-05-20 T. P. Djun , B. Soegijono , T. Mart , L. T. Handoko

Recent measurements at RHIC suggest that a nearly perfect fluid of quarks and gluons is produced in AA collisions. Moreover the passage of supersonic partons through this medium seems to produce waves. These waves might pile up and form…

Nuclear Theory · Physics 2013-04-25 D. A. Fogaça , L. G. Ferreira Filho , F. S. Navarra

We investigate the propagation of nonlinear energy density waves in a nonextensive quark-gluon plasma under the influence of a magnetic field using the reductive perturbation technique. For a nonextensive MIT bag equation of state, we…

High Energy Physics - Phenomenology · Physics 2024-03-19 Trambak Bhattacharyya , Md Hasanujjaman

The relativistic viscous hydrodynamic description of the quark-gluon plasma by M\"uller-Israel-Stewart formulations has been very successful, but despite this success, these theories present limitations regarding well-posedness and…

High Energy Physics - Phenomenology · Physics 2025-03-06 Yago Bea

We investigate the relativistic equation of state of hadronic matter and quark-gluon plasma at finite temperature and baryon density in the framework of the nonextensive statistical mechanics, characterized by power-law quantum…

Nuclear Theory · Physics 2014-11-21 A. Lavagno , D. Pigato , P. Quarati

Numerical results for the transport coefficients of quark gluon plasma are obtained by lattice simulations on on $16^3 \times 8$ lattice with the quench approximation where we apply the gauge action proposed by Iwasaki. The bulk viscosity…

High Energy Physics - Lattice · Physics 2009-10-31 Sunao Sakai , Atsushi Nakamura , Takuya Saito

The dynamical development of the cooling and hadronizing quark-gluon Plasma (QGP) is studied in a simple model assuming critical fluctuations in the QGP to Hadronic Matter (HM) and a first order transition in a small finite system. We…

Nuclear Theory · Physics 2015-06-04 Laszlo P. Csernai , Gabriela Mocanu , Zoltan Neda

We present the results of analytical modelling of fast-mode magnetohydrodynamic wave propagation near a 2D magnetic null point. We consider both a linear wave and a weak shock and analyse their behaviour in cold and warm plasmas. We apply…

Solar and Stellar Astrophysics · Physics 2015-06-05 Andrey N. Afanasyev , Arkadiy M. Uralov
‹ Prev 1 2 3 10 Next ›