Topic
Gibbs–Duhem equation
About: Gibbs–Duhem equation is a research topic. Over the lifetime, 393 publications have been published within this topic receiving 6248 citations. The topic is also known as: Gibbs-Duhem equation.
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TL;DR: In this paper, the existence of Gibbs states which are mixing but not extremal is shown, and possible ergodic properties of these Gibbs states are discussed by constructing a number of examples.
Abstract: Possible ergodic properties of Gibbs states are discussed by constructing a number of examples. In particular existence of Gibbs states which are mixing but not extremal is shown.
14 citations
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14 citations
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TL;DR: In this article, the Gibbs-Duhem integration combines the best elements of the Gibbs ensemble Monte Carlo technique and thermodynamic integration for direct evaluation of solid-liquid equilibria by molecullar dynamics.
Abstract: An application of the Gibbs-Duhem integration [D. A. Kolke, J. Chem. Phys., 98, 4149 (1993)] for the direct evaluation of solid–liquid equilibria by molecullar dynamics is presented. The Gibbs-Duhem integration combines the best elements of the Gibbs ensemble Monte Carlo technique and thermodynamic integration. Given conditions of coexistence at one coexistence point, simultaneous but independent constant pressure-constant temperature colecular dynamics simulations of each phase are caried out in succession along saturation lines. In each simulation, the saturated pressure is adjusted to satisfy the Clapeyron equation, a first-order nonlinear differential equation that prescribes how the pressure must change with the temperature to maintain coexistence. The Clapeyron equation is solved by the predictor–corrector method. Running averages of enthalpy and density of each phase are used to evaluate the right-hand side of the Clapeyron equation. The Gibbs-Duhem integration method is applied to a two-c...
14 citations
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14 citations
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17 Aug 200514 citations