Densities distribution of quasi-momentum C1=1,c2=0.5,n=1andh=0. 0 Magnetization mz=(n1-12)/2 interaction 0.6 Spontaneous magnetization when h=o Phase transition from fully polarized 0.2 state to partially polarized state Critical points with strong repulsion hc+=m2n2-8m2n3/3c1, he=n2n2-8m2n3/3 -0.500.511.5 The critical points are different because the couplings cl and c2 are differentDensities distribution of quasi-momentum Magnetization Critical points with strong repulsion Spontaneous magnetization when h=0 Phase transition from fully polarized state to partially polarized state. The critical points are different because the couplings c1 and c2 are different. interaction