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Preparation and relaxation of very stable glassy states of a simulated liquid


Reference:

Jack, R. L., Hedges, L. O., Garrahan, J. P. and Chandler, D., 2011. Preparation and relaxation of very stable glassy states of a simulated liquid. Physical Review Letters, 107 (27), 275702.

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    Official URL:

    http://dx.doi.org/10.1103/PhysRevLett.107.275702

    Abstract

    We prepare metastable glassy states in a model glass former made of Lennard-Jones particles by sampling biased ensembles of trajectories with low dynamical activity. These trajectories form an inactive dynamical phase whose "fast" vibrational degrees of freedom are maintained at thermal equilibrium by contact with a heat bath, while the "slow" structural degrees of freedom are located in deep valleys of the energy landscape. We examine the relaxation to equilibrium and the vibrational properties of these metastable states. The glassy states we prepare by our trajectory sampling method are very stable to thermal fluctuations and also more mechanically rigid than low-temperature equilibrated configurations.

    Details

    Item Type Articles
    CreatorsJack, R. L., Hedges, L. O., Garrahan, J. P. and Chandler, D.
    DOI10.1103/PhysRevLett.107.275702
    DepartmentsFaculty of Science > Physics
    Publisher StatementJack_PRL_2011_1-7_275702.pdf: Jack, R. L., Hedges, L. O., Garrahan, J. P. and Chandler, D., 2011. Preparation and relaxation of very stable glassy states of a simulated liquid. Physical Review Letters, 107 (27), 275702. Copyright (2011) by the American Physical Society.
    RefereedYes
    StatusPublished
    ID Code28207

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