Plane wave propagation in transversely isotropic laser-excited solids

被引:1
作者
Mirzade, F. [1 ]
机构
[1] Russian Acad Sci, Inst Laser & Informat Technol, Moscow 140700, Russia
关键词
Laser-excited crystals; Transversely isotropic; Non-equilibrium point defects; Defect-strain coupling; Phase velocity; Attenuation; STRESS EVOLUTION; DEFORMATION PATTERNS; INTERCONNECT LINES; ELECTROMIGRATION; DIFFUSION; MODEL;
D O I
10.1016/j.physb.2014.11.103
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
This paper concentrates on the study of body harmonic wave propagation in an anisotropic laser-excited solid in the context of the model based on coupled equations for the displacement and atomic defect concentration fields. The complex secular equations for transversely isotropic solids are derived and discussed, It is found, in general, four types of dispersive waves, namely a quasi-longitudinal (QL), two quasi-transverse (QT) and a quasi-defect wave (N-mode) can propagate in these types of crystals. The different characteristics of waves like phase velocity, attenuation coefficient are obtained and presented graphically, It is demonstrated that there is an appreciable variation in case of the QL mode as compared with QT and N-modes. Some particular cases have also been discussed. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码:17 / 22
页数:6
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