Landau description of the calcite-CaC(II) phase transition
- 1 January 1981
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 23 (1) , 368-374
- https://doi.org/10.1103/physrevb.23.368
Abstract
The calcite-CaC(II) phase transition is described within the framework of the Landau criteria for continuous phase transitions. The point is chosen to construct the irreducible representation driving the transition. All Landau conditions are satisfied by the representation and the three-component order parameter of is shown to correspond to the observed rotations of the C groups.
Keywords
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