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Congestion fronts of diffusing particles.

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Title: Congestion fronts of diffusing particles.
Authors: Burger, B.1 bastian.burger@bluewin.ch, Herrmann, H.J.1,2
Source: Physica A. Feb2019, Vol. 516, p125-132. 8p.
Subjects: Collisions (Physics), Surface roughness, Diffusion, Exponents, Phase transitions
Abstract: Abstract We study two new models of two particle species invading a surface from opposite sides. Collisions of particles of different species lead to the formation of congestion fronts. One of the models implements a reversible process whereas in the other model the congestion front forms irreversibly. For both models we find that the congestion fronts are self-affine but with different roughness exponents. For low densities the system does not congest and we find a phase transition between a phase of freely moving particles and a congestion phase. Highlights • We observed the formation of islands and multiple congestion fronts. • We found that the interfaces that the model formed are self-affine. • We found a phase transition and established the phase diagram. [ABSTRACT FROM AUTHOR]
Copyright of Physica A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 133189613
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Abstract We study two new models of two particle species invading a surface from opposite sides. Collisions of particles of different species lead to the formation of congestion fronts. One of the models implements a reversible process whereas in the other model the congestion front forms irreversibly. For both models we find that the congestion fronts are self-affine but with different roughness exponents. For low densities the system does not congest and we find a phase transition between a phase of freely moving particles and a congestion phase. Highlights • We observed the formation of islands and multiple congestion fronts. • We found that the interfaces that the model formed are self-affine. • We found a phase transition and established the phase diagram. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Physica A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.physa.2018.10.030
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      – Code: eng
        Text: English
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        Type: general
      – SubjectFull: Surface roughness
        Type: general
      – SubjectFull: Diffusion
        Type: general
      – SubjectFull: Exponents
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      – SubjectFull: Phase transitions
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      – TitleFull: Congestion fronts of diffusing particles.
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              Text: Feb2019
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