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Cavitation of electron bubbles in liquid parahydrogen (Articolo in rivista)

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Cavitation of electron bubbles in liquid parahydrogen (Articolo in rivista) (literal)

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Alternative label

Ancilotto, Francesco; Barranco, Manuel; Navarro, Jesus; Pi, Marti (2011)
Cavitation of electron bubbles in liquid parahydrogen
in Molecular physics (Print)
(literal)

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University of Barcelona; University of Barcelona; Consejo Superior de Investigaciones Cientificas (CSIC); University of Padua; CNR IOM Democritos (literal)

Titolo

Abstract

Within a finite-temperature density functional approach, we have investigated the structure of electron bubbles in liquid parahydrogen below the saturated vapour pressure, determining the critical pressure at which electron bubbles explode as a function of temperature. The electron-parahydrogen interaction has been modelled by a Hartree-type local potential fitted to the experimental value of the conduction band-edge for a delocalized electron in pH(2). We have found that the pressure for bubble explosion is, in absolute value, about a factor of two smaller than that of the homogeneous cavitation pressure in the liquid. Comparison with the results obtained within the capillary model shows the limitations of this approximation, especially as temperature increases. (literal)

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