Tricritical phenomena in constrained systems
- 7 February 1974
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 7 (3) , 496-506
- https://doi.org/10.1088/0022-3719/7/3/006
Abstract
When constraints are applied to a system that has an ideal second-order phase transition, a tricritical point sometimes appears. The thermodynamic properties near such a point are derived and discussed: tricritical homogeneity is demonstrated and some of the characteristic exponents are derived. Also derived are properties of the first-order transition at H=0, the shape of the wings of the tricritical point, and the critical behaviour at the edges of the wings. The tricritical point is shown to be non-classical.Keywords
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