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Sakai, Toru; Sato, Masahiro*; Okunishi, Koichi*; Okamoto, Kiyomi*; Itoi, Chigaku*; Nakano, Hiroki*
no journal, ,
The S=1/2 spin nanotube is theoretically investigated by the numerical diagonalization and the density matrix renormalization group. We found some new quantum phase transitions with respect to the ratio of the leg and rung exchange interactions. Some interesting quantum phenomena in the carrier doped spin tube will be also discussed.
Entani, Shiro; Naramoto, Hiroshi*; Sakai, Seiji
no journal, ,
Matsumoto, Yoshihiro*; Entani, Shiro; Koide, Akihiro*; Otomo, Manabu*; Avramov, P.*; Naramoto, Hiroshi*; Amemiya, Kenta*; Fujikawa, Takashi*; Sakai, Seiji
no journal, ,
no abstracts in English