Negative thermal expansion in the Gaussian core model

Frank H. Stillinger and Dorothea K. Stillinger

Physica A: Statistical Mechanics and its Applications, 1997, vol. 244, issue 1, 358-369

Abstract: The pressure equation of state of the classical many-body system with Gaussian pair interactions has been examined over a wide density range. Both analytical and simulational methods have been involved. A simply-connected region of negative thermal expansion has emerged from the study. It includes portions of the BCC crystal and fluid sections of the equilibrium phase diagram.

Date: 1997
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:244:y:1997:i:1:p:358-369

DOI: 10.1016/S0378-4371(97)00246-X

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