Anisotropic liquid drop models

Anisotropic liquid drop models
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各向异性液滴模型

DOI:
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发表时间:
2018
影响因子:
1.7
通讯作者:
I. Topaloglu
I. Topaloglu
中科院分区:
数学2区
文献类型:
--
作者:
Rustum Choksi;Robin Neumayer;I. Topaloglu

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摘要本文介绍并研究了伽莫夫液滴模型的某些变形,其中各向异性表面能取代了周长。在建立了极小解的存在性和不存在性结果后,分析了极小解的形状。在适当的规则性和椭圆率假设的表面张力,武尔夫形状是极小在这个问题中,当且仅当表面能是各向同性的。与此形成鲜明对比的是,武尔夫形状是某些晶体表面张力的独特最小化器。我们还介绍和研究了几个相关的各向异性排斥液滴模型,其中Wulff形状是小质量区的最小值。
Abstract We introduce and study certain variants of Gamow’s liquid drop model in which an anisotropic surface energy replaces the perimeter. After existence and nonexistence results are established, the shape of minimizers is analyzed. Under suitable regularity and ellipticity assumptions on the surface tension, Wulff shapes are minimizers in this problem if and only if the surface energy is isotropic. In sharp contrast, Wulff shapes are the unique minimizers for certain crystalline surface tensions. We also introduce and study several related liquid drop models with anisotropic repulsion for which the Wulff shape is the minimizer in the small mass regime.
DOI: 10.1215/00127094-2021-0002
发表时间: 2021-09-15
影响因子: 2.5
作者:
Gomez-Serrano, Javier;Park, Jaemin;Yao, Yao
通讯作者: Yao, Yao