Extension of a wormlike chain with variable persistence length in cylindrical tube confinement
Abstract
The present paper investigates the extension behavior of a wormlike chain with varied persistence length under the confinement of a cylindrical tube. Based on Odijk theory of a confined polymer chain, we have developed a theory which can describe the mechanical behavior of wormlike chain with varying bending rigidities along the chain. In order to validate our model, we also performed large numbers of Brownian dynamics simulations based on the generalized bead model (GBR), which illustrate that our theory is in good agreement with simulation results.
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