A molecular superfluid : Non-classical rotations in doped para-hydrogen clusters

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DOIResolve DOI: http://doi.org/10.1103/PhysRevLett.105.133401
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TypeArticle
Journal titlePhysical review letters
ISSN1079-7114
0031-9007
Issue105
Pages133401–; # of pages: 4
AbstractClusters of para-hydrogen (pH2) have been predicted to exhibit superfluid behavior, but direct observation of this phenomenon has been elusive. Combining experiments and theoretical simulations, we have determined the size evolution of the superfluid response of pH2 clusters doped with carbon dioxide (CO2). Reduction of the effective inertia is observed when the dopant is surrounded by the pH2 solvent. This marks the onset of molecular superfluidity in pH2. The fractional occupation of solvation rings around CO2 correlates with enhanced superfluid response for certain cluster sizes.
Publication date
LanguageEnglish
AffiliationNRC Steacie Institute for Molecular Sciences; National Research Council Canada
Peer reviewedYes
NPARC number17653065
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Record identifier6ad8255c-90e6-4ce8-9153-2d2efda0e26f
Record created2011-03-31
Record modified2016-05-09
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