@article{oai:tsukuba.repo.nii.ac.jp:00015320,
 author = {Maruyama, Isao and Koide, Tetsuji and 初貝, 安弘 and HATSUGAI, Yasuhiro},
 issue = {23},
 journal = {Physical review B},
 month = {Dec},
 title = {U(1) symmetry breaking in one-dimensional Mott insulators studied by the density matrix renormalization group method},
 volume = {76},
 year = {2007},
 yomi = {ハツガイ, ヤスヒロ}
}