Physical review. B, Condensed matter · 1990 · 15 citations · 6 references
Natural SciencesPhysicsComputational PhysicsCondensed Matter PhysicsPhase TransitionsSpin DynamicsCritical Magnetic FieldFree Energy ChangesHeisenberg ModelIsing MagnetismIsing ModelIsing Model FormulationSpin Hamiltonians
Transverse Ising models with spin 1 and mixed spins are studied by use of the discretized path-integral representation and the two-spin cluster approximation. The free energy and the critical transverse field of the systems are obtained.
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