Modified mode-coupling theory for the collective dynamics of simple liquids

Recently it has been shown that mode-coupling theory, which accounts for the salient features of glassy relaxation near the liquid-glass transition, is also capable of describing the collective excitations of simple liquids away from the glass transition. In order to further improve the agreement be...

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Published inJournal of physics. Condensed matter Vol. 23; no. 25; pp. 254211 - 5
Main Authors Schmid, B, Schirmacher, W
Format Journal Article
LanguageEnglish
Published IOP Publishing 29.06.2011
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Abstract Recently it has been shown that mode-coupling theory, which accounts for the salient features of glassy relaxation near the liquid-glass transition, is also capable of describing the collective excitations of simple liquids away from the glass transition. In order to further improve the agreement between theory and computer simulations on Lennard-Jones argon we modify MCT by taking binary collisions into account. This, in fact, improves the agreement. We also show that multiplying the memory function of the original theory with a reduction factor leads to similar results.
AbstractList Recently it has been shown that mode-coupling theory, which accounts for the salient features of glassy relaxation near the liquid-glass transition, is also capable of describing the collective excitations of simple liquids away from the glass transition. In order to further improve the agreement between theory and computer simulations on Lennard-Jones argon we modify MCT by taking binary collisions into account. This, in fact, improves the agreement. We also show that multiplying the memory function of the original theory with a reduction factor leads to similar results.
Author Schmid, B
Schirmacher, W
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Snippet Recently it has been shown that mode-coupling theory, which accounts for the salient features of glassy relaxation near the liquid-glass transition, is also...
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iop
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Publisher
StartPage 254211
SubjectTerms Argon
Collisions
Computer simulation
Condensed matter
Dynamics
Glass transition
Liquids
Mathematical analysis
Title Modified mode-coupling theory for the collective dynamics of simple liquids
URI http://iopscience.iop.org/0953-8984/23/25/254211
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