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Article overview
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The Shape of Inflated Vesicles | | G. Gompper
; D.M. Kroll
; | | Date: |
28 Oct 1992 | | Subject: | hep-lat cond-mat | | Abstract: | The conformation and scaling properties of self-avoiding fluid vesicles with zero extrinsic bending rigidity subject to an internal pressure increment $Delta p>0$ are studied using Monte Carlo methods and scaling arguments. With increasing pressure, there is a first-order transition from a collapsed branched polymer phase to an extended inflated phase. The scaling behavior of the radius of gyration, the asphericities, and several other quantities characterizing the average shape of a vesicle are studied in detail. In the inflated phase, continuously variable fractal shapes are found to be controlled by the scaling variable $x=Delta p N^{3
u/2}$ (or equivalently, $y = {}/ N^{3
u/2}$), where $N$ is the number of monomers in the vesicle and $V$ the enclosed volume. The scaling behavior in the inflated phase is described by a new exponent $
u=0.787pm 0.02$. | | Source: | arXiv, hep-lat/9210037 | | Services: | Forum | Review | PDF | Favorites | |
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