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Critical behavior of directed percolation process in the presence of compressible velocity field
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA.
2017 (English)In: CHAOS 2017 - Proceedings: 10th Chaotic Modeling and Simulation International Conference, ISAST: International Society for the Advancement of Science and Technology , 2017, p. 383-402Conference paper, Published paper (Refereed)
Abstract [en]

Various systems exhibit universal behavior at the critical point. A typical example of the non-equilibrium critical behavior is the directed bond percolation that exhibits an active-to-absorbing state phase transition in the vicinity of critical percolation probability. An interesting question is how the turbulent mixing influences its critical behavior. In this work we assume that the turbulent mixing is generated by the compressible Navier-Stokes equation where the compressibility is described by an additional field related to the density. Using field-theoretic models and renormalization group methods we investigate large scale and long time behavior.

Place, publisher, year, edition, pages
ISAST: International Society for the Advancement of Science and Technology , 2017. p. 383-402
Keywords [en]
Anomalous scaling, Directed bond percolation, Field-theoretic renormalization group, Fully developed turbulence, Mixing, Percolation (solid state), Shock tubes, Solvents, Statistical mechanics, Turbulent flow, Velocity, Absorbing-state phase transitions, Bond percolation, Compressible Navier-Stokes equations, Directed percolation, Field theoretic models, Renormalization group, Universal behaviors, Navier Stokes equations
National Category
Other Mathematics Other Computer and Information Science
Identifiers
URN: urn:nbn:se:kth:diva-262428Scopus ID: 2-s2.0-85072567094OAI: oai:DiVA.org:kth-262428DiVA, id: diva2:1367543
Conference
10th International Conference on Chaotic Modeling and Simulation, CHAOS 2017, Casa Convalescencia of the Universitat Autonoma de Barcelona, Barcelona, Spain, 30-2 June 2017
Note

QC 20191104

Available from: 2019-11-04 Created: 2019-11-04 Last updated: 2019-11-05Bibliographically approved

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CiteExportLink to record
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  • de-DE
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