GRBs and the thermalization process of electron-positron plasmas
Alexey G. Aksenov, Carlo Luciano Bianco, Remo Ruffini, Gregory V., Vereshchagin
TL;DR
This paper investigates how electron-positron plasmas evolve and thermalize in Gamma-Ray Burst sources, focusing on the effects of expansion dynamics, spatial geometry, and baryonic loading.
Contribution
It provides a detailed analysis of the plasma relaxation process and explores the influence of physical parameters on thermalization in GRB environments.
Findings
Plasma relaxes into thermal equilibrium over specific timescales
Expansion dynamics significantly affect thermalization process
Baryonic loading impacts plasma evolution and thermalization
Abstract
We discuss the temporal evolution of the pair plasma created in Gamma-Ray Burst sources. A particular attention is paid to the relaxation of the plasma into thermal equilibrium. We also discuss the connection between the dynamics of expansion and the spatial geometry of the plasma. The role of the baryonic loading parameter is emphasized.
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