Pyroelectric vector and related polarization effects

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The principal fact that the pyroelectric vector $\Pb^0$ typical of polar crystals is invisible in equilibrium has been verified. Nevertheless, the general formula for $\Pb^0$ as a definite bulk quantity associated only with the inversion properties of a given charge distribution in the bulk has been obtained. Its application to ferroelectric perovskites BaTiO$_3$, PbTiO$_3$, and KNbO$_3$ is discussed.
4 pages, 1 figure, 1 table, RevTeX4. Submitted to Physical Review Letters

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Materials Science, Strongly Correlated Electrons, Mathematical Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/21797

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0307298
 http://arxiv.org/abs/cond-mat/0307298

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arXiv