具有反常耗散和热效应的分数液晶模型的正则性

IF 1.5 4区 物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY Brazilian Journal of Physics Pub Date : 2024-07-31 DOI:10.1007/s13538-024-01563-2
José Luis Díaz Palencia
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引用次数: 0

摘要

本文证明了具有分数扩散和热效应的广义液晶模型弱解的正则性准则。具体地说,我们证明了如果某些衰变估计成立,分别代表速度场、晶体中的方向向量和温度场的解((u, d, \theta )\)在原点是正则的。我们采用分数拉普拉斯的扩展技术并建立衰减估计来证明解的有界性和正则性。我们的结果旨在通过引入反常耗散和热影响来扩展经典理论,从而有可能增加在不同条件下分析液晶模型的框架。
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Regularity for a Fractional Liquid Crystal Model with Anomalous Dissipation and Thermal Effects

In this paper, we present proofs of the regularity criterion for weak solutions to a generalized liquid crystal model with fractional diffusion and thermal effects. Specifically, we prove that if certain decay estimates hold, the solutions \((u, d, \theta )\), representing the velocity field, the orientation vector in the crystal and the temperature field respectively, are regular at the origin. We employ the extension technique for the fractional Laplacian and establish decay estimates to demonstrate the boundedness and regularity of the solutions. Our results aim to extend classical theories by introducing anomalous dissipation and thermal influences, leading to potentially increase the framework for the analysis of liquid crystal models under varying conditions.

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来源期刊
Brazilian Journal of Physics
Brazilian Journal of Physics 物理-物理:综合
CiteScore
2.50
自引率
6.20%
发文量
189
审稿时长
6.0 months
期刊介绍: The Brazilian Journal of Physics is a peer-reviewed international journal published by the Brazilian Physical Society (SBF). The journal publishes new and original research results from all areas of physics, obtained in Brazil and from anywhere else in the world. Contents include theoretical, practical and experimental papers as well as high-quality review papers. Submissions should follow the generally accepted structure for journal articles with basic elements: title, abstract, introduction, results, conclusions, and references.
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