Reaction-rate formula in out of equilibrium quantum field theory
A. Niegawa, K. Okano, and H. Ozaki
TL;DR
This paper provides a first-principles derivation of the reaction-rate formula in out-of-equilibrium quantum field systems, clarifying its components and showing it involves no finite-volume corrections.
Contribution
It offers a comprehensive derivation of the reaction-rate formula from fundamental principles for out-of-equilibrium quantum fields, highlighting its physical process components.
Findings
Reaction-rate formula derived from first principles.
No finite-volume correction in the formula.
Each term corresponds to specific physical processes.
Abstract
A complete derivation, from first principles, of the reaction-rate formula for a generic reaction taking place in an out of equilibrium quantum-field system is given. It is shown that the formula involves no finite-volume correction. Each term of the reaction-rate formula represents a set of physical processes that contribute to the reaction under consideration.
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