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Collapse Transition of Two-Dimensional Flexible and Semiflexible Polymers | | Haijun Zhou
; Jie Zhou
; Zhong-Can Ou-Yang
; Sanjay Kumar
; | | Date: |
18 Jan 2007 | | Subject: | Soft Condensed Matter | | Abstract: | The nature of the globule-coil transition of surface-confined polymers has been an issue of debate. Here this 2D collapse transition is studied through a partially directed lattice model. In the general case of polymers with positive bending stiffness ($Delta>0$), the collapse transition is {em first-order}; it becomes {em second-order} only in the limiting case of zero bending stiffness ($Deltaequiv 0$). These analytical results are confirmed by Monte Carlo simulations. We also suggest some possible future experiments. | | Source: | arXiv, cond-mat/0701434 | | Other source: | [GID 141107] pmid17155366 | | Services: | Forum | Review | PDF | Favorites | |
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