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Random pinning in glassy spin models with plaquette interactions


Reference:

Jack, R. L. and Berthier, L., 2012. Random pinning in glassy spin models with plaquette interactions. Physical Review E, 85 (2), 021120.

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    Official URL:

    http://dx.doi.org/10.1103/PhysRevE.85.021120

    Abstract

    We use a random pinning procedure to study amorphous order in two glassy spin models. On increasing the concentration of pinned spins at constant temperature, we find a sharp crossover (but no thermodynamic phase transition) from bulk relaxation to localization in a single state. At low temperatures, both models exhibit scaling behavior. We discuss the growing length and time scales associated with amorphous order, and the fraction of pinned spins required to localize the system in a single state. These results, obtained for finite dimensional interacting models, provide a theoretical scenario for the effect of random pinning that differs qualitatively from previous approaches based either on mean-field, mode-coupling, or renormalization group treatments.

    Details

    Item Type Articles
    CreatorsJack, R. L.and Berthier, L.
    DOI10.1103/PhysRevE.85.021120
    DepartmentsFaculty of Science > Physics
    Publisher StatementJack_PRE_2012_85_021120.pdf: Jack, R. L. and Berthier, L., 2012. Random pinning in glassy spin models with plaquette interactions. Physical Review E, 85 (2), 021120. Copyright (2012) by the American Physical Society.
    RefereedYes
    StatusPublished
    ID Code29134

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