Coexistence of polar order and local domain dynamics in ferroelectric SrTi18O3

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Perovskite oxide ferroelectrics show classical soft mode behaviour typical for the onset of a homogeneous long-range polar state and a displacive phase transition. Besides these long wave length properties, local effects are observed by different probes which reveal that dynamical symmetry breaking already takes place already far above the actual instability. It is shown here that displacive mean-field type dynamics can indeed coexist with local dynamical symmetry breaking.
12 pages, 3 figures

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Other Condensed Matter, Materials Science

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http://salesiana.dossiersoluciones.com/handle/123456789/117396

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0610362
 http://arxiv.org/abs/cond-mat/0610362

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arXiv