[Tu-E] Poster Session

[Tu-E-25] Ground-State Phase Diagram of an Anisotropic S=1 Ferromagnetic-Antiferromagnetic Bond-Alternating Chain

*Kiyomi Okamoto¹, Takashi Tonegawa^2,3, Makoto Kaburagi², Toru Sakai^1,4 (1. Univ. Hyogo(Japan), 2. Kobe Univ.(Japan), 3. Osaka Pref. Univ.(Japan), 4. QST(Japan))

キーワード：Quantum phase transition, Quantum spin chain, Topological phase, Exact diagonalization