On formation of equation of state of evolving quantum field
A.V. Leonidov, A.A. Radovskaya
TL;DR
This paper develops a systematic method using Keldysh formalism to compute quantum corrections in the evolution of matter in heavy ion collisions, deriving analytical equations of state.
Contribution
It introduces a new analytical framework for calculating quantum corrections to the equation of state in evolving quantum fields.
Findings
Analytical expressions for quantum-corrected equations of state.
Complete description of subleading quantum corrections.
Framework applicable to ultra-relativistic heavy ion collision models.
Abstract
Stylized model of evolution of matter created in ultra relativistic heavy ion collisions is considered. Systematic procedure of computing quantum corrections in the framework of Keldysh formalism is formulated. Analytical expressions for formation of equations of state taking into account leading quantum corrections is worked out, complete description of subleasing corrections and analytical expressions for some of them is presented.
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