类爱因斯坦场论与有限尺寸核心的位错
广义相对论与量子宇宙学
2024-10-08 v2 介观与纳米尺度物理
统计力学
摘要
发展了类爱因斯坦拉格朗日场论来描述包含有限尺寸核心位错的弹性固体。使用了三维黎曼-嘉当几何框架,核心自能由扭转和曲率的二次一般拉格朗日量的平移部分表示。在希尔伯特-爱因斯坦情况下,规范方程扮演非传统不相容定律的角色。修正螺旋位错的应力张量在核心内被平滑化。考虑了由位错偶极子增殖引起的弹性常数重整化。使用无奇点位错解修正了剪切模量的重整化,相对于奇异位错的情况。
引用
@article{arxiv.1612.07383,
title = {The Einstein-like field theory and the dislocations with finite-sized core},
author = {Cyril Malyshev},
journal= {arXiv preprint arXiv:1612.07383},
year = {2024}
}
备注
10 pages, extended version of article in: Proceedings of The Thirteenth Marcel Grossmann Meeting on Recent Developments in Theoretical and Experimental General Relativity, Astrophysics, and Relativistic Field Theories (Stockholm University, Stockholm, July 1-7, 2012), Eds., R. T. Jantzen, K. Rosquist, Series Editor, R. Ruffini (World Scientific, Singapore, 2015), pp. 2534-2536; refs added