Villain transformation for ferrimagnetic spin chain with dimerization

Villain transformation theory of the anisotropy ferrimagnetic spin chain

Villain transformation for XXZ anisotropic ferrimagnetic spin chain

Bond operator method of dimerized ferrimagnetic spin chain

Quantum magnetization plateaux in ferrimagnetic spin chains

Bond operator theory of Heisenberg ferrimagnetic spin chain

Quantum Magnetization plateaux of an anisotropic ferrimagnetic spin chain