Multicritical behavior of the antiferromagnetic Blume-Emery-Griffiths model with the repulsive biquadratic coupling in an external magnetic field
Keywords: 05.50.q; 05.70.Fh; 64.60.Cn; 75.10.Hk; Two-sublattice Blume-Emery-Griffith model; Cluster variation method; Ising model; Phase diagrams;