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http://hdl.handle.net/1942/13608
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DC Field | Value | Language |
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dc.contributor.author | Walter, J. -C. | - |
dc.contributor.author | Ferrantini, A. | - |
dc.contributor.author | Carlon, E. | - |
dc.contributor.author | VANDERZANDE, Carlo | - |
dc.date.accessioned | 2012-04-27T13:55:34Z | - |
dc.date.available | 2012-04-27T13:55:34Z | - |
dc.date.issued | 2012 | - |
dc.identifier.citation | PHYSICAL REVIEW E, 85 (3) (Art N° 031120) | - |
dc.identifier.issn | 1539-3755 | - |
dc.identifier.uri | http://hdl.handle.net/1942/13608 | - |
dc.description.abstract | We consider two complementary polymer strands of length L attached by a common-end monomer. The two strands bind through complementary monomers and at low temperatures form a double-stranded conformation (zipping), while at high temperature they dissociate (unzipping). This is a simple model of DNA (or RNA) hairpin formation. Here we investigate the dynamics of the strands at the equilibrium critical temperature T = T-c using Monte Carlo Rouse dynamics. We find that the dynamics is anomalous, with a characteristic time scaling as tau similar to L-2.26(2), exceeding the Rouse time similar to L-2.18. We investigate the probability distribution function, velocity autocorrelation function, survival probability, and boundary behavior of the underlying stochastic process. These quantities scale as expected from a fractional Brownian motion with a Hurst exponent H = 0.44(1). We discuss similarities to and differences from unbiased polymer translocation. | - |
dc.language.iso | en | - |
dc.publisher | AMER PHYSICAL SOC | - |
dc.subject.other | Physics; Fluids & Plasmas; Physics; Mathematical | - |
dc.title | Fractional Brownian motion and the critical dynamics of zipping polymers | - |
dc.type | Journal Contribution | - |
dc.identifier.issue | 3 | - |
dc.identifier.volume | 85 | - |
local.bibliographicCitation.jcat | A1 | - |
dc.description.notes | [Walter, J. -C.; Ferrantini, A.; Carlon, E.; Vanderzande, C.] Katholieke Univ Leuven, Inst Theoret Phys, B-3001 Louvain, Belgium. [Vanderzande, C.] Hasselt Univ, Fac Sci, B-3590 Diepenbeek, Belgium. | - |
local.publisher.place | COLLEGE PK | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
dc.bibliographicCitation.oldjcat | A1 | - |
local.bibliographicCitation.artnr | 031120 | - |
dc.identifier.doi | 10.1103/PhysRevE.85.031120 | - |
dc.identifier.isi | 000301773200004 | - |
local.uhasselt.international | no | - |
item.contributor | Walter, J. -C. | - |
item.contributor | Ferrantini, A. | - |
item.contributor | Carlon, E. | - |
item.contributor | VANDERZANDE, Carlo | - |
item.accessRights | Open Access | - |
item.fulltext | With Fulltext | - |
item.fullcitation | Walter, J. -C.; Ferrantini, A.; Carlon, E. & VANDERZANDE, Carlo (2012) Fractional Brownian motion and the critical dynamics of zipping polymers. In: PHYSICAL REVIEW E, 85 (3) (Art N° 031120). | - |
item.validation | ecoom 2013 | - |
crisitem.journal.issn | 1539-3755 | - |
Appears in Collections: | Research publications |
Files in This Item:
File | Description | Size | Format | |
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fractional brownian motion.pdf | Non Peer-reviewed author version | 988.5 kB | Adobe PDF | View/Open |
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