19 citations · 45 across the 3 of their papers we have counts for
3 papers
cond-mat.str-el2022★ 13 cited
Ground-state phase diagram of a spin-1/2 frustrated XXZ ladder
Takuhiro Ogino, Ryui Kaneko, Satoshi Morita +1
We study the ground-state phase diagram of a spin- frustrated XXZ ladder, in which two antiferromagnetic chains are coupled by competing rung and diagonal interactions…
cond-mat.str-el2021★ 13 cited
Symmetry-protected topological phases and competing orders in a spin-1/2 XXZ ladder with a four-spin interaction
Takuhiro Ogino, Shunsuke Furukawa, Ryui Kaneko +2
We study a spin-1/2 XXZ model with a four-spin interaction on a two-leg ladder. By means of effective field theory and matrix product state calculations, we obtain rich ground-stat…
cond-mat.str-el2020★ 19 cited
Continuous phase transition between Neel and valence bond solid phases in a J-Q-like spin ladder system
Takuhiro Ogino, Ryui Kaneko, Satoshi Morita +2
We investigate a quantum phase transition between a Neel phase and a valence bond solid (VBS) phase, in each of which a different Z2 symmetry is broken, in a spin-1/2 two-leg XXZ l…