Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/154970
Title: Barrier-controlled nonequilibrium criticality in reactive particle systems
Authors: Lei, Qun-Li
Hu, Hao
Ni, Ran
Keywords: Engineering::Chemical engineering
Issue Date: 2021
Source: Lei, Q., Hu, H. & Ni, R. (2021). Barrier-controlled nonequilibrium criticality in reactive particle systems. Physical Review E, 103(5), 052607-. https://dx.doi.org/10.1103/PhysRevE.103.052607
Project: MOE2019-T2-2-010
RG104/17 (S)
NTU-SUG: M4081781.120
A1784C0018
Journal: Physical Review E
Abstract: Nonequilibrium critical phenomena generally exist in many dynamic systems, like chemical reactions and some driven-dissipative reactive particle systems. Here, by using computer simulation and theoretical analysis, we demonstrate the crucial role of the activation barrier on the criticality of dynamic phase transitions in a minimal reactive hard-sphere model. We find that at zero thermal noise, with increasing the activation barrier, the type of transition changes from a continuous conserved directed percolation into a discontinuous dynamic transition by crossing a tricritical point. A mean-field theory combined with field simulation is proposed to explain this phenomenon. The possibility of Ising-type criticality in the nonequilibrium system at finite thermal noise is also discussed.
URI: https://hdl.handle.net/10356/154970
ISSN: 2470-0045
DOI: 10.1103/PhysRevE.103.052607
Schools: School of Chemical and Biomedical Engineering 
Rights: © 2021 American Physical Society. All rights reserved. This paper was published in Physical Review E and is made available with permission of American Physical Society.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SCBE Journal Articles

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