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RESEARCH PRODUCT

Cavitation of electron bubbles in liquid parahydrogen

Martí PiJesús NavarroFrancesco AncilottoManuel Barranco

subject

Capillary actionChemistryVapor pressureBubbleBiophysicselectron bubblesElectronCondensed Matter PhysicsSpin isomers of hydrogenThermal conductionMolecular physicsPhysics::Fluid Dynamicscapillary approximationNuclear magnetic resonanceCavitationliquid parahydrogenPhysics::Atomic and Molecular ClustersDensity functional theoryPhysical and Theoretical ChemistryMolecular Biologydensity functional theory

description

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.

yearjournalcountryeditionlanguage
2011-12-10Molecular Physics
https://doi.org/10.1080/00268976.2011.602650