How to couple Landau theory to an equation of state |
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| Authors: | Tröster A Schranz W Miletich R |
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| Institution: | Institut für Experimentalphysik, Universit?t Wien, Strudlhofgasse 4, A-1090 Wien, Austria. |
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| Abstract: | We show how to construct a Landau-type free energy based on a primary order parameter coupled to finite strain with an elastic energy derived from an arbitrary equation of state V = V(P). The resulting class of models provides an excellent and efficient framework for the systematic study of phase transformations for a wide range of materials up to ultrahigh pressures. |
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