Thermodynamic properties and phase diagrams of spin-1 quantum Ising systems with three-spin interactions

Abstract

The spin-1 quantum Ising systems with three-spin interactions on two-dimensional triangular lattices are studied by mean-field method. The thermal variations of order parameters and phase diagrams are investigated in detail. The stable, metastable and unstable branches of the order parameters are obtained. According to the stable conditions at critical point, we find that the systems exhibit tricritical points. With crystal field and biquadratic interactions, the system has rich phase diagrams with single reentrant or double reentrant phase transitions for appropriate ranges of the both parameters.

10 pages, 5 figures

References in corpus (5)

• Critical and off-critical studies of the Baxter-Wu model with general toroidal boundary conditions
• Monte Carlo study of the Pure and Dilute Baxter-Wu model
• Conformal invariance studies of the Baxter-Wu model and a related site-colouring problem
• Reentrant Phase Transitions of the Blume-Emery-Griffiths Model for a Simple Cubic Lattice on the Cellular Automaton
• Phase Diagram and Critical Behavior of the Spin-1 Baxter-Wu Model with a Crystal Field