First-order transition induced by cubic anisotropy
- 1 August 1978
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 18 (3) , 1406-1416
- https://doi.org/10.1103/physrevb.18.1406
Abstract
A two-component spin system with cubic anisotropy sufficiently large to remove the renormalization-group fixed point is investigated using differential recursion relations. An explicit free energy is constructed and it is verified explicitly that the loss of a fixed point corresponds to a first-order transition to the system's ordered state. A tricritical point is located and scaling properties of the first-order transition are investigated close to it.Keywords
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