Two-species reaction-diffusion system in the presence of random velocity fluctuations

Autor: Hnatič, Michal, Kecer, Matej, Lučivjanský, Tomáš
Rok vydání: 2023
Předmět:
Zdroj: Theor Math Phys 217:1 (2023), 19-29
Druh dokumentu: Working Paper
DOI: 10.4213/tmf10464
Popis: We study random velocity effects on a two-species reaction-diffusion system consisting of three reaction processes $A + A \rightarrow (\varnothing, A),A+B \rightarrow A$. Using the field-theoretic perturbative renormalization group we analyze this system in the vicinity of its upper critical dimension $d_c = 2$. Velocity ensemble is generated by means of stochastic Navier-Stokes equations. In particular, we investigate the effect of thermal fluctuations on reaction kinetics. The overall analysis is performed to the one-loop approximation and possible macroscopic regimes are identified.
Comment: Accepted for publication in Theor. Math. Phys
Databáze: arXiv