1991
DOI: 10.1070/pu1991v034n06abeh002385
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Methods of the theory of singularities in the phenomenology of phase transitions

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Cited by 37 publications
(31 citation statements)
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“…An example of a coupled model with linear-quadratic coupling occurs in the context of isostructural transitions [20]. It is conceivable that in some cases a linear-cubic coupling may be symmetry allowed.…”
Section: Discussionmentioning
confidence: 99%
“…An example of a coupled model with linear-quadratic coupling occurs in the context of isostructural transitions [20]. It is conceivable that in some cases a linear-cubic coupling may be symmetry allowed.…”
Section: Discussionmentioning
confidence: 99%
“…The most simple phase diagram presenting stability regions for all four phases can be calculated by using the following truncated free energy [30]:…”
Section: Phase Diagrams and Modulated Structuresmentioning
confidence: 99%
“…9, is drawn in the space of the free-energy coefficients. In order that the theoretical phase diagram reflects the experimental phase diagram, one has to follow precise rules, deduced from the theory of Singularities [12], for determining the coefficients varying with external variables (T , P , x, ...) and the form of their dependence on the external variables. 1) The number of varying coefficients should be equal to the number of external variables, i.e., one-two-or-three dimensional phase diagrams require a dependence of one-two-or-three coefficients, respectively, on the external variables.…”
Section: Dependence Of the Phenomenological Coefficients On External mentioning
confidence: 99%