Three-dimensional Gamma-limit conjecture for membranes, tubes, and micelles
Three-dimensional Gamma-limit conjecture for membranes, tubes, and micelles
Let be the energy functional, let be the prescribed mass, let be the mass ratio, and define
Here is the vanishing-thickness parameter, , and are the transition values from the asymptotic energy formula.
Three-dimensional Gamma-limit conjecture. For and , if , the Gamma-limit of is a quadratic form in the principal curvatures for closed surfaces, in the sense of Radon measures. If , it is the elastica functional for closed curves in , in the sense of Radon measures. If , it is a mass-partition functional for weighted Dirac delta point measures.
This conjecture predicts distinct curvature and concentration limits for the three-dimensional bilayer, cylindrical-micelle, and spherical-micelle regimes. The source gives analogies with existing variational conjectures and theorems, but no proof of these Gamma-limits.
Sources & referencesView supporting material
Primary source
Qiang Du, James M. Scott and Zirui Xu, “Ohta-Kawasaki energy for amphiphiles: asymptotics and phase-field simulations”, arXiv:2401.05679 (2024).
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