Volume 49, Number 6, March 2000
|Page(s)||754 - 760|
|Section||Condensed matter: structure, mechanical and thermal properties|
|Published online||01 September 2002|
Different scenarios for critical glassy dynamics
Dipartimento di Fisica, Università de L'Aquila and
Istituto Nazionale Fisica della Materia, Unità dell'Aquila
via Vetoio, 67100 Coppito-L'Aquila, Italy
2 Dipartimento di Fisica, Universitá di Roma I “La Sapienza” and Istituto Nazionale Fisica della Materia, Unità di Roma P.le A. Moro 2, 00185 Roma, Italy
Corresponding authors: firstname.lastname@example.org email@example.com
Accepted: 14 January 2000
We study the role of different terms in the N-body potential of glass-forming systems on the critical dynamics near the glass transition. Using a simplified spin model with quenched disorder, where the different terms of the real N-body potential are mapped into multi-spin interactions, we identified three possible scenarios. For each scenario we introduce a “minimal” model representative of the critical glassy dynamics near, both above and below, the critical transition line. For each “minimal” model we discuss the low-temperature equilibrium dynamics.
PACS: 64.70.Pf – Glass transitions / 75.10.Nr – Spin-glass and other random models / 61.20.Gy – Theory and models of liquid structure
© EDP Sciences, 2000
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