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Highly anisotropic and strongly dissipative hydrodynamics for early stages of relativistic heavy-ion collisions
We introduce a new framework of highly anisotropic hydrodynamics that includes dissipation effects. Dissipation is defined by the form of the entropy source that depends on the pressure anisotropy…
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Testing viscous and anisotropic hydrodynamics in an exactly solvable case
We exactly solve the one-dimensional boost-invariant Boltzmann equation in the relaxation time approximation for arbitrary shear viscosity. The results are compared with the predictions of viscous…
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Transport coefficients for bulk viscous evolution in the relaxation-time approximation
Department of Physics, Kent State University, Kent, Ohio 44242, USA(Dated: July 29, 2014)We derive the form of the viscous corrections to the phase-space distribution function due to bulkviscous…
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(3+1)D Quasiparticle Anisotropic Hydrodynamics for Ultrarelativistic Heavy-Ion Collisions.
TLDR
The first comparisons of experimental data with phenomenological results from (3+1)D quasiparticle anisotropic hydrodynamics (aHydroQP) are presented, finding a very good description of many heavy-ion observables.
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Bottomonia suppression in 2.76 TeV Pb-Pb collisions
The relativistic heavy-ion collision experiments being carried out at Brookhaven National Laboratory’s Relativistic Heavy Ion Collider (RHIC) and CERN’s Large Hadron Collider (LHC) study the behavior…
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Anisotropic hydrodynamic modeling of 2.76 TeV Pb-Pb collisions
We compare phenomenological results from 3+1d quasiparticle anisotropic hydrodynamics (aHydroQP) with experimental data collected in LHC 2.76 TeV Pb-Pb collisions. In particular, we present…
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Boost-Invariant (2+1)-Dimensional Anisotropic Hydrodynamics
We present results of the application of the anisotropic hydrodynamics (aHydro) framework to (2+1)-dimensional boost-invariant systems. The necessary aHydro dynamical equations are derived by taking…
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Shear-bulk coupling in nonconformal hydrodynamics
We compute the temporal evolution of the pressure anisotropy and bulk pressure of a massive gas using second-order viscous hydrodynamics and anisotropic hydrodynamics. We then compare our results…
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Exact solution of the (0+1)-dimensional Boltzmann equation for a massive gas
We solve the one-dimensional boost-invariant kinetic equation for a relativistic massive system with the collision term treated in the relaxation time approximation. The result is an exact integral…
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Exact solutions of the Boltzmann equation and optimized hydrodynamic approaches for relativistic heavy-ion collisions
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