Ground-state phase diagram of an anisotropic S=1/2 ladder with alternating rung interactions

Tonegawa, Takashi*; Okamoto, Kiyomi*; Hikihara, Toshiya*; Sakai, Toru

Journal of Physics; Conference Series, 683(1), p.012039_1 - 012039_7, 2016/02

https://doi.org/10.1088/1742-6596/683/1/012039

Employing mainly numerical methods, we explore the ground-state phase diagram of an anisotropic S=1/2 ladder, in which leg interactions are uniform and isotropic, while rung interactions are alternating and have a common Ising-type anisotropy. We determine the phase diagrams in some typical cases.