Comment on “Aging Effects in a Lennard-Jones Glass”
نویسندگان
چکیده
منابع مشابه
Mixing effects in glass-forming Lennard-Jones mixtures.
Mixing effects have been investigated from molecular dynamics simulations at constant number of particles, volume, and temperature on the Kob-Andersen glass-forming Lennard-Jones atomic mixture A(x)B(1-x) for 0 < or = x < or = 1 compositions. Upon cooling, crystallization is observed for x < or = 0.5 and x > or = 0.9 compositions. The crystalline states can be described by a quite complex coexi...
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We study the aging of a glassy Lennard-Jones binary mixture with molecular dynamics simulations. We follow the evolution of the packing as a function of the system’s age tw, the time passed since the system is quenched to below its glass transition temperature. We focus on simple properties of all tetrahedra formed by the majority of particles. We find that both the averages and the distributio...
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The off-equilibrium dynamics of a monatomic Lennard-Jones glass is numerically investigated after sudden isothermal density jumps (crunch) from well equilibrated liquid configurations towards the glassy state. The generalized fluctuation-dissipation relation has been studied and the temperature dependence of the violation factor m is found in agreement with the one step replica symmetry breakin...
متن کاملEntropic effects on the structure of Lennard-Jones clusters
We examine in detail the causes of the structural transitions that occur for those small LennardJones clusters that have a non-icosahedral global minima. Based on the principles learned from these examples we develop a method to construct structural phase diagrams that show in a coarse-grained manner how the equilibrium structure of large clusters depends on both size and temperature. The metho...
متن کاملHydrophobicity in Lennard-Jones solutions.
The analogue of the hydrophobic hydration is explored for Lennard-Jones solutions. The free energy of solvation and its temperature derivatives, both in the constant-pressure process and in the constant-volume process, are obtained numerically for a variety of the size and energy parameters for the solute-solvent Lennard-Jones potential. We identify in the parameter space a region in which the ...
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ژورنال
عنوان ژورنال: Physical Review Letters
سال: 1998
ISSN: 0031-9007,1079-7114
DOI: 10.1103/physrevlett.81.930