activity
20102026
most citedField-induced Tomonaga-Luttinger liquid phase of a two-leg spin-1/2 ladder with strong leg interactions

106 citations · 142 across the 15 of their papers we have counts for

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cond-mat.str-el2026

Complete Entanglement Structure of the Kitaev Honeycomb Spin Liquid from Exact Tensor Networks

Hidehiro Saito, Chisa Hotta

While most of the features of the Kitaev honeycomb model are already clarified from the combined plaquette and Majorana fermion picture, we show that retrieving the…

cond-mat.str-el2026

Theory of clusterization in orbitally degenerate transition-metal compounds driven by lattice instabilities

Soshun Ozaki, Kota Mitsumoto, Chisa Hotta

We derive an effective orbital-lattice model with quantum degrees of freedom for transition-metal compounds, providing a microscopic understanding of cluster formation driven…

cond-mat.str-el2026

Specific heat and susceptibility of S=1/2 antiferromagnets on square, triangular, and kagome lattices

Chisa Hotta

We study the temperature dependence of the thermodynamic properties of spin-1/2 antiferromagnets on two-dimensional lattices. Our analysis employs the sine-square deformation (SSD)…