Solid–Fluid Equilibria of Atoms with Soft Repulsive and Short-Range Cohesive Interactions
Karl P. Travis,
Richard J. Sadus
Abstract:We report molecular simulations using a relatively soft interatomic potential to determine the nature of melting under extreme conditions. At temperatures and pressures above the triple point of normal materials, the density range of two-phase solid and fluid equilibria is bounded by freezing and melting curves. We address the unresolved issue of the termination of these boundaries, i.e., whether the melting curve of a solid terminates in a critical point, exhibits a maximum, goes to an asymptotic limit, or co… Show more
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