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Title: Electromagneto-mechanical radiation in elastic ferroelectrics
Authors: Chee-Seng, L. 
Maugin, G.A.
Issue Date: Jul-1987
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
ISSN: 01652125
Appears in Collections:Staff Publications

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