High frequency dynamics in liquid nickel: an IXS study

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Owing to their large relatively thermal conductivity, peculiar, non-hydrodynamic features are expected to characterize the acoustic-like excitations observed in liquid metals. We report here an experimental study of collective modes in molten nickel, a case of exceptional geophysical interest for its relevance in Earth interior science. Our result shed light on previously reported contrasting evidences: in the explored energy-momentum region no deviation from the generalized hydrodynamic picture describing non conductive fluids are observed. Implications for high frequency transport properties in metallic fluids are discussed.
6 pages, 4 figures, to appear in "Journal of Chemical Physics"

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Disordered Systems and Neural Networks

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http://salesiana.dossiersoluciones.com/handle/123456789/159884

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0804.4366
 http://arxiv.org/abs/0804.4366

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arXiv