Chen, S.; Wang, L.; Wang, Y. P. - In: The European Physical Journal B - Condensed Matter and … 57 (2007) 3, pp. 265-270
We study the ground-state properties of frustrated Heisenberg ferrimagnetic ladders with antiferromagnetic exchange interactions and two types of alternating sublattice spins. In the limit of strong rung couplings, we show that the mixed spin-1/2 and spin-1 ladders can be systematically mapped...