%0 Generic %D 2007 %T DMRG study of the Bond Alternating S=1/2 Heisenberg ladder with Ferro-Antiferromagnetic couplings %A J. Almeida G. Sierra, Martin-Delgado %I Phys. Rev. B %P 184428 %U http://arxiv.org/abs/0705.0116 %V 76