Abstract
Polymeric systems offer an incredible richness of behaviour. Depending on the solution concentration, its temperature or its quality and the polymers length, or topology, every system made of polymers can be categorised into a “universality class”, within which it finds a physical characterisation (scaling) of its macroscopic properties.
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Notes
- 1.
Local (short-ranged) correlations, do not affect the scaling.
- 2.
“Surprisingly” because Flory’s theory actually overestimates the repulsive term by neglecting monomer-monomer correlations, but also overestimates the elastic term, thereby balancing out the errors and leading to a very accurate estimation of the scaling of the real size R (de Gennes 1979).
- 3.
This means that \(M\rightarrow M/M_e\), \(\sigma \rightarrow \sigma M_e^{1/2}\) and \(L_c \rightarrow L_c/M_e^{1/2}\).
- 4.
A blob being a polymer segment made of several (g) monomers where \(1 \ll g \ll M\) and assuming a size described by the scaling \(R(g)\sim g^\nu \) with \(\nu =3/5\), being not interacting with other chains (de Gennes 1979).
- 5.
- 6.
In this case the computation can scale as \((NM)^2\), for a system of N chains M beads long, rather than \(NM^2\).
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Michieletto, D. (2016). Predicting the Behaviour of Rings in Solution. In: Topological Interactions in Ring Polymers. Springer Theses. Springer, Cham. https://doi.org/10.1007/978-3-319-41042-5_2
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