Thermodynamic signature of the onset of caged dynamics in glass-forming liquids

Sudesh Kamath, Ralph H. Colby, Sanat K. Kumar, Jörg Baschnagel

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Considering the immediate vicinity of an onset temperature, TA where system dynamics just begin to experience caging effects, the thermodynamics of supercooled liquids was examined. It was noticed on analyzing the simulation data from polymer model and from small molecule mixtures that the configurational entropy becomes strongly temperature dependent below TA. The thermodynamic connection to the localized dynamics of glass-forming liquids was established because the diffusion coefficient followed the Adam-Gibbs relationship.

Original languageEnglish (US)
Pages (from-to)865-868
Number of pages4
JournalJournal of Chemical Physics
Volume116
Issue number3
DOIs
StatePublished - Jan 15 2002

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signatures
Thermodynamics
Glass
thermodynamics
glass
data simulation
Liquids
liquids
Polymers
Dynamical systems
Entropy
diffusion coefficient
entropy
Temperature
Molecules
temperature
polymers
molecules

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

Kamath, Sudesh ; Colby, Ralph H. ; Kumar, Sanat K. ; Baschnagel, Jörg. / Thermodynamic signature of the onset of caged dynamics in glass-forming liquids. In: Journal of Chemical Physics. 2002 ; Vol. 116, No. 3. pp. 865-868.
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Thermodynamic signature of the onset of caged dynamics in glass-forming liquids. / Kamath, Sudesh; Colby, Ralph H.; Kumar, Sanat K.; Baschnagel, Jörg.

In: Journal of Chemical Physics, Vol. 116, No. 3, 15.01.2002, p. 865-868.

Research output: Contribution to journalArticle

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