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Dive into the research topics where Tôru Sakai is active.

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Featured researches published by Tôru Sakai.


Physical Review B | 2000

Multiplateau magnetization curves of one-dimensional Heisenberg ferrimagnets

Shoji Yamamoto; Tôru Sakai

Ground-state magnetization curves of ferrimagnetic Heisenberg chains of alternating spins


Physical Review B | 1999

CRITICAL BEHAVIOR OF ANISOTROPIC HEISENBERG MIXED-SPIN CHAINS IN A FIELD

Tôru Sakai; Shoji Yamamoto

S


European Physical Journal B | 2000

Characterization of ferrimagnetic Heisenberg chains according to the constituent spins

Shoji Yamamoto; Takahiro Fukui; Tôru Sakai

and


Journal of Physics: Condensed Matter | 1999

Breakdown of a magnetization plateau due to anisotropy in Heisenberg mixed-spin chains

Shoji Yamamoto; Tôru Sakai

s


Journal of the Physical Society of Japan | 2000

Magnetization Plateau in the Frustrated Spin Ladder

Nobuhisa Okazaki; Junji Miyoshi; Tôru Sakai

are numerically investigated. Calculating several cases of


Journal of Physics: Condensed Matter | 2001

The field-induced gap due to four-spin exchange in a spin ladder

Atsushi Nakasu; Keisuke Totsuka; Yasumasa Hasegawa; Kiyomi Okamoto; Tôru Sakai

(S,s)


Journal of Physics: Condensed Matter | 2000

Coexistent quantum and classical aspects of magnetization plateaux in alternating-spin chains

Tôru Sakai; Shoji Yamamoto

, we conclude that the spin-


Journal of Applied Physics | 2000

Magnetic properties of frustrated spin ladder

Tôru Sakai; Nobuhisa Okazaki

(S,s)


Journal of the Physical Society of Japan | 2001

Low-Temperature Properties of Quasi-One-Dimensional Molecule-Based Ferromagnets

Takashi Nakanishi; Shoji Yamamoto; Tôru Sakai

chain generally exhibits


Journal of the Physical Society of Japan | 2002

Re-Entrant Quantum Phase Transitions in Antiferromagnetic Spin-1 Ladders

Shoji Yamamoto; Tôru Sakai; Akihisa Koga

2s

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Kiyomi Okamoto

Tokyo Institute of Technology

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Akihisa Koga

Tokyo Institute of Technology

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Nobuko Saigusa

National Institute for Environmental Studies

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