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NANOSCALE MOLECULAR SUPERFLUIDITY OF HYDROGEN AND ITS SPECTROSCOPIC IMPLICATIONS

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/20676

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Title: NANOSCALE MOLECULAR SUPERFLUIDITY OF HYDROGEN AND ITS SPECTROSCOPIC IMPLICATIONS
Creators: Whaley, K. Birgitta; Kwon, Yongkyung
Issue Date: 2002
Abstract: We present microscopic quantum theoretical analysis of the nanoscale superfluid properties of solvating clusters of $para-H_{2}$ around the linear OCS molecule, prompted by recent experiments showing anomalous spectroscopic features for these systems at low temperatures. Using path integral methods that incorporate the Bose permutation symmetry of $para-H_{2}$, we analyze the extent of a superfluid response of the molecular hydrogen density to molecular rotation around different axes. We find that a highly anisotropic hydrogenic superfluid response does appear at low temperatures, and we analyze the temperature dependence and anisotropy of this in terms of the local structure of quantum exchange within the first solvation shell of hydrogen molecules. A rationalization for the anomalous spectroscopic features observed experimentally is given.
URI: http://hdl.handle.net/1811/20676
Other Identifiers: 2002-WF-10
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