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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/4798

Title: Persistence of a Rouse polymer chain under transverse shear flow
Authors: BHATTACHARYA, S
DAS, D
MAJUMDAR, SN
Keywords: diffusing particle
flexible polymers
survival probability
dynamics
statistics
exponent
media
noise
field
Issue Date: 2007
Publisher: AMERICAN PHYSICAL SOC
Citation: PHYSICAL REVIEW E, 75(6), -
Abstract: We consider a single Rouse polymer chain in two dimensions in the presence of a transverse shear flow along the x direction and calculate the persistence probability P-0(t) that the x coordinate of a bead in the bulk of the chain does not return to its initial position up to time t. We show that the persistence decays at late times as a power law P-0(t) similar to t(-theta) with a nontrivial exponent theta. The analytical estimate of theta=0.359 . . . obtained using an independent interval approximation is in excellent agreement with the numerical value theta approximate to 0.360 +/- 0.001.
URI: http://dx.doi.org/10.1103/PhysRevE.75.061122
http://dspace.library.iitb.ac.in/xmlui/handle/10054/4798
http://hdl.handle.net/10054/4798
ISSN: 1539-3755
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