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|Title:||Electromagneto-mechanical radiation in elastic ferroelectrics|
|Authors:||Chee-Seng, L. |
|Source:||Chee-Seng, L.,Maugin, G.A. (1987-07). Electromagneto-mechanical radiation in elastic ferroelectrics. Wave Motion 9 (4) : 269-288. ScholarBank@NUS Repository.|
|Abstract:||An elastic ferroelectric is perturbed simultaneously by a body force, an applied electric field and a source current, whose components are all anisotropic about but invariant along the equilibrium polarization. The resultant anisotropically inhomogeneous equations constitute a coupled quasiisotropic system. The time-harmonic solution secured reveals superpositions of quasiisotropic eigencolumns over (i) four admissible spectral sets for a column of vectorial perturbations in the transverse plane, (ii) two admissible spectral sets for a column of longitudinal scalar perturbations. Detailed investigations are made into (a) the wave eigencolumns at any frequency, and within a high-frequency subrange, (b) far-field phenomena, (c) the symmetry case, (d) the displacement and its degeneration towards an isolated purely elastic phase. © 1987.|
|Source Title:||Wave Motion|
|Appears in Collections:||Staff Publications|
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