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Mathematics > Analysis of PDEs

arXiv:1804.08805 (math)
[Submitted on 24 Apr 2018]

Title:Convergence of Landau-Lifshitz equation to multi-phase Brakke's mean curvature flow

Authors:Keisuke Takasao
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Abstract:We study the convergence of the system of the Allen-Cahn equations to the weak solution for the multi-phase mean curvature flow in the sense of Brakke. The Landau-Lifshitz equation in this paper can be regarded as a system of Allen-Cahn equations with the Lagrange multiplier, which is a phase field model of the multi-phase mean curvature flow. Under an assumption that the limit of the energies of the solutions for the equations matches with the total variation for the singular limit of the solutions, we show that the family of the varifolds derived from the energies is a Brakke flow.
Comments: 13 pages
Subjects: Analysis of PDEs (math.AP)
MSC classes: Primary 35K93, Secondary 53C44
Cite as: arXiv:1804.08805 [math.AP]
  (or arXiv:1804.08805v1 [math.AP] for this version)
  https://doi.org/10.48550/arXiv.1804.08805

Submission history

From: Keisuke Takasao [view email]
[v1] Tue, 24 Apr 2018 01:47:04 UTC (15 KB)
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