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Issue 7, 2018
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Dynamics of networks in a viscoelastic and active environment

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We investigate the dynamics of fractals and other networks in a viscoelastic and active environment. The viscoelastic dynamics is modeled based on the generalized Langevin equation, where the activity is introduced to it by means of the exponentially correlated noise. The intramolecular interactions are taken into account by the bead–spring picture. The microscopic connectivity (studied in the form of Vicsek fractals, of dual Sierpiński gaskets, of NTD trees, and of a family of deterministic small-world networks) reveals itself in the multiscale monomeric dynamics, which shows vastly different behaviors in the active and passive baths. In particular, the dynamics under active forces leads to a swelling that is characterized through power laws which are not present in the passive case. In all cases, the dynamics reflects the broad scaling behavior of the density of states and not necessarily the maximal relaxation time of the structures in a passive bath, as it is exemplified on the NTD trees.

Graphical abstract: Dynamics of networks in a viscoelastic and active environment

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Publication details

The article was received on 17 Oct 2017, accepted on 05 Jan 2018 and first published on 08 Jan 2018

Article type: Paper
DOI: 10.1039/C7SM02050C
Citation: Soft Matter, 2018,14, 1171-1180

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    Dynamics of networks in a viscoelastic and active environment

    J. Grimm and M. Dolgushev, Soft Matter, 2018, 14, 1171
    DOI: 10.1039/C7SM02050C

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