A Double Bubble Assembly as a New Phase of a Ternary Inhibitory System

Verfasser / Beitragende:
[Xiaofeng Ren, Juncheng Wei]
Ort, Verlag, Jahr:
2015
Enthalten in:
Archive for Rational Mechanics and Analysis, 215/3(2015-03-01), 967-1034
Format:
Artikel (online)
ID: 605515263
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024 7 0 |a 10.1007/s00205-014-0798-x  |2 doi 
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245 0 2 |a A Double Bubble Assembly as a New Phase of a Ternary Inhibitory System  |h [Elektronische Daten]  |c [Xiaofeng Ren, Juncheng Wei] 
520 3 |a A ternary inhibitory system is a three component system characterized by two properties: growth and inhibition. A deviation from homogeneity has a strong positive feedback on its further increase. In the meantime a longer ranging confinement mechanism prevents unlimited spreading. Together they lead to a locally self-enhancing and self-organizing process. The model considered here is a planar nonlocal geometric problem derived from the triblock copolymer theory. An assembly of perturbed double bubbles is mathematically constructed as a stable stationary point of the free energy functional. Triple junction, a phenomenon in which the three components meet at a single point, is a key issue addressed in the construction. Coarsening, an undesirable scenario of excessive growth, is prevented by a lower bound on the long range interaction term in the free energy. The proof involves several ideas: perturbation of double bubbles in a restricted class; use of internal variables to remove nonlinear constraints, local minimization in a restricted class formulated as a nonlinear problem on a Hilbert space; and reduction to finite dimensional minimization. This existence theorem predicts a new morphological phase of a double bubble assembly. 
540 |a Springer-Verlag Berlin Heidelberg, 2014 
700 1 |a Ren  |D Xiaofeng  |u Department of Mathematics, The George Washington University, 20052, Washington, DC, USA  |4 aut 
700 1 |a Wei  |D Juncheng  |u Department of Mathematics, University of British Columbia, V6T 1Z2, Vancouver, BC, Canada  |4 aut 
773 0 |t Archive for Rational Mechanics and Analysis  |d Springer Berlin Heidelberg  |g 215/3(2015-03-01), 967-1034  |x 0003-9527  |q 215:3<967  |1 2015  |2 215  |o 205 
856 4 0 |u https://doi.org/10.1007/s00205-014-0798-x  |q text/html  |z Onlinezugriff via DOI 
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908 |D 1  |a research-article  |2 jats 
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950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s00205-014-0798-x  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Ren  |D Xiaofeng  |u Department of Mathematics, The George Washington University, 20052, Washington, DC, USA  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Wei  |D Juncheng  |u Department of Mathematics, University of British Columbia, V6T 1Z2, Vancouver, BC, Canada  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Archive for Rational Mechanics and Analysis  |d Springer Berlin Heidelberg  |g 215/3(2015-03-01), 967-1034  |x 0003-9527  |q 215:3<967  |1 2015  |2 215  |o 205