Fluid dynamics of heavy ion collisions with mode expansion

The fluid dynamics of a relativistic fireball with longitudinal and transverse expansion is described using a background-fluctuation splitting. Symmetry representations of azimuthal rotations and longitudinal boosts are used for a classification of initial state configurations and their fluid dynami...

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Hauptverfasser: Flörchinger, Stefan (VerfasserIn) , Grossi, Eduardo (VerfasserIn) , Lion, Jorrit (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 15 July 2019
In: Physical review
Year: 2019, Jahrgang: 100, Heft: 1
ISSN:2469-9993
DOI:10.1103/PhysRevC.100.014905
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevC.100.014905
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevC.100.014905
Volltext
Verfasserangaben:Stefan Floerchinger, Eduardo Grossi, and Jorrit Lion

MARC

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520 |a The fluid dynamics of a relativistic fireball with longitudinal and transverse expansion is described using a background-fluctuation splitting. Symmetry representations of azimuthal rotations and longitudinal boosts are used for a classification of initial state configurations and their fluid dynamic propagation in terms of a mode expansion. We develop an accurate and efficient numerical scheme based on the pseudospectral method to solve the resulting hyperbolic partial differential equations. Comparison to the analytically known Gubser solution underlines the high accuracy of this technique. We also present first applications of fluid dynamics with mode expansion (Fluidum) to central heavy ion collisions at the LHC energies featuring a realistic thermodynamic equations of state as well as shear and bulk viscous dissipation. 
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