On a possible connection between Chandler wobble and dark matter
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| Autor principal: | |
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| Publication Date: | 2009 |
| Formato: | Article |
| Idioma: | eng |
| Fonte: | Repositório Institucional da UnB |
| Download full: | http://repositorio.unb.br/handle/10482/6156 https://dx.doi.org/10.1590/S0103-97332009000100001 |
Resumo: | Chandler wobble excitation and damping, one of the open problems in geophysics, is treated as a consequence in part of the interaction between Earth and a hypothetical oblate ellipsoid made of dark matter. The physical and geometrical parameters of such an ellipsoid and the interacting torque strength is calculated in such a way to reproduce the Chandler wobble component of the polar motion in several epochs, available in the literature. It is also examined the consequences upon the geomagnetic field dynamo and generation of heat in the Earth outer core. |
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