Author： Kuksin A. Norman G. Stegailov V.
Publisher： Springer Publishing Company
ISSN： 0018-151X
Source： High Temperature, Vol.45, Iss.1, 2007-02, pp. : 37-48
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Abstract
The method of molecular dynamics is used to treat the metastable states of Lennard-Jones crystal and liquid at different temperatures and pressures, including the negative-pressure region. Analysis is made of the pattern of relative position of surfaces of the equation of state of the crystal and liquid phases in the metastable region. The limits of stability of metastable states of liquid and crystal on the phase diagram are determined. The mechanism of crystal decomposition in the vicinity of the stability limit is treated. The stochastic properties of a many-particle system are investigated in the region in the vicinity of the spinodal, and the dynamic memory time and K-entropy are calculated.
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