Criteria for minimal model of driven polymer translocation

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en Suhonen, Pauli Kaski, Kimmo Linna, Riku 2018-08-08T10:02:18Z 2018-08-08T10:02:18Z 2014
dc.identifier.citation Suhonen , P , Kaski , K & Linna , R 2014 , ' Criteria for minimal model of driven polymer translocation ' PHYSICAL REVIEW E , vol 90 , no. 4 , 042702 , pp. 1-8 . DOI: 10.1103/PhysRevE.90.042702 en
dc.identifier.issn 1539-3755
dc.identifier.issn 1550-2376
dc.identifier.other PURE UUID: 9085b109-b734-42ab-8173-bda18ad5e68f
dc.identifier.other PURE ITEMURL:
dc.identifier.other PURE FILEURL:
dc.description.abstract While the characteristics of the driven translocation for asymptotically long polymers are well understood, this is not the case for finite-sized polymers, which are relevant for real-world experiments and simulation studies. Most notably, the behavior of the exponent α, which describes the scaling of the translocation time with polymer length, when the driving force fp in the pore is changed, is under debate. By Langevin dynamics simulations of regular and modified translocation models using the freely jointed-chain polymer model we find that a previously reported incomplete model, where the trans side and fluctuations were excluded, gives rise to characteristics that are in stark contradiction with those of the complete model, for which α increases with fp. Our results suggest that contribution due to fluctuations is important. We construct a minimal model where dynamics is completely excluded to show that close alignment with a full translocation model can be achieved. Our findings set very stringent requirements for a minimal model that is supposed to describe the driven polymer translocation correctly. en
dc.format.extent 1-8
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries PHYSICAL REVIEW E en
dc.relation.ispartofseries Volume 90, issue 4 en
dc.rights openAccess en
dc.title Criteria for minimal model of driven polymer translocation en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department School services, SCI
dc.contributor.department Department of Computer Science en
dc.subject.keyword translocation, polymer, dynamics, Langevin, computational physics
dc.subject.keyword translocation
dc.subject.keyword polymer
dc.subject.keyword dynamics
dc.subject.keyword Langevin
dc.subject.keyword computational physics
dc.identifier.urn URN:NBN:fi:aalto-201808084491
dc.identifier.doi 10.1103/PhysRevE.90.042702
dc.type.version publishedVersion

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