Physics Letters AGround-state properties and quantum entanglement in rung-dimerized spin-1/2 antiferromagnetic ladderRuixue Li, Shuling Wang, K.L. Yao, Hua‐Hua FuPublished Jul 16, 2013• 6 citationsPublisherDOI10.1016/j.physleta.2013.07.016