Does the quadrupolar glass indicate a new type of spin glass?

We discuss the problem of ordering random-bond and disordering random-field effects in the quadrupolar orientational glass. Molecular field estimation, improved by configurational and thermal fluctuations, is given in the framework of the short-range vector model for site-diluted ortho-para hydrogen...

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Bibliographic Details
Published in:Solid state communications 1994-11, Vol.92 (7), p.587-590
Main Author: Kokshenev, Valery B.
Format: Article
Language:English
Subjects:
A. disordered systems
spin glasses D. order-disorder Effects
thermodynamic properties
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Summary:We discuss the problem of ordering random-bond and disordering random-field effects in the quadrupolar orientational glass. Molecular field estimation, improved by configurational and thermal fluctuations, is given in the framework of the short-range vector model for site-diluted ortho-para hydrogen mixtures. We conclude that quadrupolar glass orientational ordering critically depends on the random-bond effects and is driven by strong correlated molecular and reaction fields.
ISSN:0038-1098
1879-2766
DOI:10.1016/0038-1098(94)90148-1