Interplay between spin frustration and magnetism in the exactly solved two-leg mixed spin ladder

Qi Yan^{1, †,}, Lv Song-Wei¹, Du An², Yu Nai-sen^{1, ‡,}

Ground-state phase diagram in the j_⊥–h plane for antiferromagnetic coupling J_‖,1 = j_‖,2 = 1.0.