Randomness and Irreversibility in Quantum Field Theory

Details Randomness and Irreversibility in Quantum Field Theory Randomness and Irreversibility in Quantum Field Theory

1993-05-27

arxiv.org/abs/hep-th/9305150v1

Physics

High Energy Physics

High Energy Physics - Theory

RevTeX, 13 pages plus 4 Figures (available from the author upon request), LAEFF--93/006

Scientific paper

Quantum fluctuations, through quantum corrections, have the potential to lead to irreversibility in quantum field theory. We consider the virtual ``charge" distribution generated by quantum corrections in the leading log, short range approximation, and adopt for it a statistical interpretation. This virtual charge density has fractal structure, and it is seen that, independently of whether the theory is or is not asymptotically free, it describes a system where the equilibrium state is at its classical limit ($\hbar \rightarrow 0$). We also present a simple analysis of how diffusion of the charge density proceeds as a function of the distance at which the system is probed.

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