Chen, X.; Jiang, Q.; Shen, W. - In: The European Physical Journal B - Condensed Matter and … 37 (2004) 2, pp. 169-175
With the aid of the Schwinger-boson mean-field method, we study the low-lying excitations and thermodynamic properties of a ferrimagnetic Heisenberg two-leg ladder (i.e., a ferrimagnetic double-chain with an antiferromagnetic interaction). The interaction between the two chains plays an...