TL;DR
This paper examines how viscosity affects the early evolution, chemical equilibration, and lifetime of a parton gas in relativistic heavy ion collisions, showing slower evolution compared to ideal fluid models.
Contribution
It introduces a detailed analysis of viscosity's impact on the dynamics and chemical equilibration in relativistic heavy ion collisions.
Findings
Viscosity increases the system's lifetime.
Viscosity slows temperature and fugacity evolution.
Viscosity influences chemical equilibration times.
Abstract
We study the role of viscosity in the early stages of relativistic heavy ion collisions. We investigate the role of viscosity on the chemical equilibration of a parton gas. In the presence of viscosity the lifetime of the system is increased. The temperature as well as the parton fugacities evolve more slowly compared to the ideal fluid dynamics.
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