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A robust comparison of dynamical scenarios in a glass-forming liquid

Author
Vispa, A.; Busch, S.; Tamarit, J. Ll.; Unruh, T.; Fernandez-Alonso, F.; Pardo, L.
Type of activity
Journal article
Journal
Physical chemistry chemical physics
Date of publication
2016-02-07
Volume
18
Number
5
First page
3975
Last page
3981
DOI
https://doi.org/10.1039/c5cp05143f Open in new window
Repository
http://hdl.handle.net/2117/103625 Open in new window
URL
https://apps-webofknowledge-com.recursos.biblioteca.upc.edu/full_record.do?product=WOS&search_mode=GeneralSearch&qid=12&SID=3B82rjNOqGmtIAHfAnr&page=1&doc=1 Open in new window
Abstract
We use Bayesian inference methods to provide fresh insights into the sub-nanosecond dynamics of glycerol, a prototypical glass-forming liquid. To this end, quasielastic neutron scattering data as a function of temperature have been analyzed using a minimal set of underlying physical assumptions. On the basis of this analysis, we establish the unambiguous presence of three distinct dynamical processes in glycerol, namely, translational diffusion of the molecular centre of mass and two additional ...
Citation
Vispa, A., Busch, S., Tamarit, J. Ll., Unruh, T., Fernandez-Alonso, F., Pardo, L. A robust comparison of dynamical scenarios in a glass-forming liquid. "Physical chemistry chemical physics", 7 Febrer 2016, vol. 18, núm. 5, p. 3975-3981.
Keywords
Crossover, Diffusion, Glycerol, Light-scattering, Nuetron-scattering, Secondary relaxations, Spectroscopy, Trnasition, Viscous liquids
Group of research
CRnE - Barcelona Research Center in Multiscale Science and Engineering
GCM - Group of Characterization of Materials

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