Evidence for a disorder driven phase transition in the condensation of 4He in aerogels

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dc.creatorBonnet, Fabien
dc.creatorLambert, Thierry
dc.creatorCross, Benjamin
dc.creatorGuyon, Laurent
dc.creatorDespetis, Florence
dc.creatorPuech, Laurent
dc.creatorWolf, Pierre-Etienne
dc.date2008-02-21
dc.date.accessioned2026-07-07T09:44:37Z
dc.date.available2026-07-07T09:44:37Z
dc.descriptionWe report on thermodynamic and optical measurements of the condensation process of $^4$He in three silica aerogels of different microstructures. For the two base-catalysed aerogels, the temperature dependence of the shape of adsorption isotherms and of the morphology of the condensation process show evidence of a disorder driven transition, in agreement with recent theoretical predictions. This transition is not observed for a neutral-catalysed aerogel, which we interpret as due to a larger disorder in this case.
dc.description11 pages
dc.identifierhttps://arxiv.org/abs/0802.2985
dc.identifierhttp://arxiv.org/abs/0802.2985
dc.identifierEurophysics Letters (EPL) 82, 5 (2008) 56003
dc.identifierdoi:10.1209/0295-5075/82/56003
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/162941
dc.subjectSoft Condensed Matter
dc.subjectStatistical Mechanics
dc.titleEvidence for a disorder driven phase transition in the condensation of 4He in aerogels
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