2003
DOI: 10.1088/0305-4470/36/46/003
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Localization of a random copolymer at an interface: an exact enumeration study

Abstract: We consider a self-avoiding walk on the simple cubic lattice, as a model of localization of a random copolymer at an interface between two immiscible liquids. The vertices of the walk are coloured A or B randomly and independently. The two liquid phases are represented by the two half-spaces z > 0 and z < 0, and the plane z = 0 corresponds to the interface between the two liquids. The energy depends on the numbers of A-vertices with positive z-coordinate and B-vertices with negative z-coordinate. In addition t… Show more

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Cited by 10 publications
(5 citation statements)
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“…They have proved particularly useful in the determination of universal behavior and scaling laws for polymer systems ranging from individual chains to melts. The critical behavior of SAWs is also closely related to that of the Ising model and to percolation [8,9,10,11,12,13,14,15,16,17,18].…”
Section: Introductionmentioning
confidence: 99%
“…They have proved particularly useful in the determination of universal behavior and scaling laws for polymer systems ranging from individual chains to melts. The critical behavior of SAWs is also closely related to that of the Ising model and to percolation [8,9,10,11,12,13,14,15,16,17,18].…”
Section: Introductionmentioning
confidence: 99%
“…The wider cocontinuous window in the presence of the AC block copolymer than the AB3 block copolymer may be due to that the AC block copolymer had higher asymmetry than the AB3 block copolymer although the compositions were the same. The both blocks of AB3 copolymer and PS block of AC were stretched in their corresponding homopolymer sides of the interface, while the random block of AC copolymer formed loops crossing the interface rather than stretched conformation in one side of the interface. , The asymmetry is actually the volume ratio of the two parts of a block copolymer chain respectively located in the minor phase side and in the major phase side of the interface. In the case of AC block copolymer, the looped random block would equally distribute on both sides of the interface since the molar composition was 0.5.…”
Section: Resultsmentioning
confidence: 99%
“…This discrete model has already been investigated in physics (see [14] or [21]) and mathematics (see [13]) in the case K = 0 and under the name copolymer with adsorption. This Date: July 3, 2018. model is very natural, because it interpolates between two classes of models that have received a lot of attention in the literature:…”
Section: 1mentioning
confidence: 99%
“…This type of model, which we call h-model, with a pinning term at the interface in competition with a repulsion effect (given here by h N i=1 Λ i ), has already been investigated in the literature (see [14], or [8]). It has been proven, for instance, that some properties of the h-model can be extended to the wetting model by letting the parameter h tend to ∞ (see [18]).…”
Section: 3mentioning
confidence: 99%