Physics – Condensed Matter – Disordered Systems and Neural Networks
Scientific paper
2011-12-17
Physics
Condensed Matter
Disordered Systems and Neural Networks
7 pages, 4 figures
Scientific paper
Pinning particles at random in supercooled liquids is a promising route to make substantial progress on the glass transition problem. Here we develop a mean-field theory by studying the equilibrium and non-equilibrium dynamics of the spherical p-spin model in presence of a fraction c of pinned spins. Our study shows the existence of two dynamic critical lines: one corresponding to usual Mode Coupling transitions and the other one to dynamic spinodal transitions. Quenches in the portion of the c - T phase diagram delimited by those two lines leads to aging. By extending our results to finite dimensional systems we predict non-interrupted aging only for quenches on the ideal glass transition line and two very different types of equilibrium relaxations for quenches below and above it.
Biroli Giulio
Cammarota Chiara
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