@book{CTT100473361,
author = {T. Sakai and K. Okamoto and N. Okazaki},
title = {Field-Induced Transitions and Spin Gaps in Low-Dimensional Quantum Antiferromagnets},
publisher = {Proceedings of French-Japanese Symposium on Quantum Properties of Low-Dimensinal Antiferromagnets (eds. Y.Ajiro and J.-P. Boucher, Kyushu University press, 2002)},
year = 2002,
}
@book{CTT100437980,
author = {Kiyomi Okamoto and Atsuhiro Kitazawa},
title = {Magnetization Plateau of S=1/2 Trimerized XXZ Chain and Ferromagnetic-Ferromagnetic-Antiferromagnetic Chain},
publisher = {Statistical Physics (AIP Conference Proceedings 519) American Institute of Physics,},
year = 2000,
}
@book{CTT100417624,
author = {KIYOMI OKAMOTO},
title = {Critical Exponents of the Energy Gap and the Energy Gain of the Spin-Peierils System with Next-Nearest-Neighbor Interactions},
publisher = {Statistical Physics : Experiments, Theories and Computer Simulations (World Scientific)},
year = 1998,
}
@book{CTT100458305,
author = {KIYOMI OKAMOTO},
title = {Superconducting Transition Temperature of Quasi-One-Dimensional Conductors},
publisher = {Proc. Int. Sym. Superconductive Quantum Electronics},
year = 1984,
}
@book{CTT100458304,
author = {KIYOMI OKAMOTO},
title = {Superconducting Fluctuation of Quasi-One-Dimensional Conductors},
publisher = {Proc. Int. Sym. Superconductive Quantum Electronics},
year = 1984,
}
@book{CTT100417581,
author = {KIYOMI OKAMOTO},
title = {Electrical Resistivity of a Quasi-One-Dimensional Superconductor},
publisher = {Proceedings of the Internatinal Symposium on Superconductive Quantum Electronics},
year = 1983,
}
@article{CTT100532732,
author = {T. Sakai and K. Okamoto},
title = {Field-Induced Incommensurate Order in Frustrated Spin Ladder},
journal = {J. Phys.: Cond. Matter},
year = 2007,
}
@article{CTT100532731,
author = {T. Tonegawa and K. Okamoto and K. Okunishi and T. Sakai},
title = {Finite-Field Ground State of an S=1 Zigzag Ladder},
journal = {J. Mag. Mag. Mat.},
year = 2007,
}
@article{CTT100532730,
author = {T. Sakai and K. Okunishi and K. Okamoto and M. Sato and M. Matsumoto and Y. Otsuka},
title = {Quantum Phase Transition in the Three-Leg Spin Nanotube},
journal = {J. Mag. Mag. Mat.},
year = 2007,
}
@article{CTT100532729,
author = {K. Okamoto and A. Tokuno and T. Sakai},
title = {Interplay between the Trimerization and Frustration in Spin-1/2 Distorted Diamond Type Spin Chain with the XXZ Anisotropy},
journal = {J. Mag. Mag. Mat.},
year = 2007,
}
@article{CTT100527847,
author = {T. Tonegawa and T. Sakai and K. Okamoto and M. Kaburagi},
title = {1/3 magnetization plateau in a one-dimensional anisotropic ferrimagnet},
journal = {J. Phys.: Conf. Ser.},
year = 2006,
}
@article{CTT100527846,
author = {T. Sakai and T. Tonegawa and K. Okamoto},
title = {Quantum Magnetization Plateau of an Anisotropic Mixed Spin Chain},
journal = {J. Phys.: Conf. Ser.},
year = 2006,
}
@article{CTT100527845,
author = {H. Kikuchi and Y. Fujii and M. Chiba and S. Mitsudo and T. Idehara and T. Tonegawa and K. Okamoto and T. Sakai and T. Kuwai and H. Ohta},
title = {Kikuchi et al. Reply},
journal = {Phys. Rev. Lett.},
year = 2006,
}
@article{CTT100527844,
author = {T. Sakai and K. Okamoto and K. Okunishi and T. Tonegawa},
title = {Field-Induced Incommensurate Order in Quai-1D S=1 Antiferromagnet},
journal = {LT24 proceedings (AIP Conference Proceedings series 850)},
year = 2006,
}
@article{CTT100527843,
author = {N. Maeshima and K. Okunishi and K. Okamoto and T. Sakai and K. Yonemitsu},
title = {Possibility of field-induced incommensurate order in quasi-one-dimensional frustrated spin system},
journal = {J. Phys.: Condensed Matter},
year = 2006,
}
@article{CTT100527842,
author = {M. Matsumoto and T. Yamada and K. Koga and K. Okamoto and T. Sakai},
title = {Theory of Excitation Modes in Diamond Chain Compound Cu3(CO3)2(OH)2},
journal = {Physica B},
year = 2006,
}
@article{CTT100393173,
author = {Munehisa Kikuchi and Kiyomi Okamoto and Kouichi Okunishi and Toru Sakai},
title = {Magnetization Plateau of S=1 Spin Ladder BIP-TENO},
journal = {Prog. Theor. Phys. Suppl},
year = 2005,
}
@article{CTT100393174,
author = {Akiyuki Tokuno and Kiyomi Okamoto and Takashi Tonegawa},
title = {Half plateau phase diagram in generalized zig-zag spin ladder},
journal = {Prog. Theor. Phys. Suppl.},
year = 2005,
}
@article{CTT100540680,
author = {Toru Sakai and Kiyomi Okamoto},
title = {Field-Induced Incommensurate Order in Spin Ladder with Ring Exchange},
journal = {J. Phys. Chem. Solids},
year = 2005,
}
@article{CTT100390172,
author = {Takashi Tonegawa and Kiyomi Okamoto and Makoto Kaburagi},
title = {Finite-Field Ground State of the S=1 Antiferromagnetic-Ferromagnetic Bond-Alternating Chain},
journal = {J. Phys. Soc. Jpn.},
year = 2005,
}
@article{CTT100390171,
author = {Akiyuki Tokuno and Kiyomi Okamoto},
title = {Inversion phenomena and phase diagram of the S =1/2 distorted diamond chain with the XXZ interaction anisotropy},
journal = {J. Phys. Soc. Jpn.},
year = 2005,
}
@article{CTT100390170,
author = {Nobuya Maeshima and Kouichi Okunishi and Kiyomi Okamoto and Toru Sakai and Kenji Yonemitsu},
title = {Field-induced phase transitions and long-range orders in the S=1/2 spin bond-alternating chain with frustrating interaction},
journal = {J. Phys. Soc. Jpn.},
year = 2005,
}
@article{CTT100389971,
author = {H. Kikuchi and Y. Fujii and M. Chiba and S. Mitsudo and T. Idehara and T. Tonegawa and K. Okamoto and T. Sakai and T. Kuwai and H. Ohta},
title = {Experimental Observation of the 1/3 Magnetization Plateau in a Diamond Chain Compound Cu3(CO3)2(OH)2},
journal = {Phys. Rev. Lett.},
year = 2005,
}
@article{CTT100390173,
author = {Kiyomi Okamoto and Kouichi Okunishi and Toru Sakai},
title = {Magnetization Plateaux of an S=1 Frustrated Spin Ladder},
journal = {J. Phys. Soc. Jpn.},
year = 2005,
}
@article{CTT100390174,
author = {Munehisa Kikuchi and Kiyomi Okamoto and Kouichi Okunishi and Toru Sakai},
title = {Bond-Alternating S = 1 Spin Ladder in Magnetic Field},
journal = {J. Phys. Soc. Jpn.},
year = 2005,
}
@article{CTT100393167,
author = {Kiyomi Okamoto and Akiyuki Tokunou and Yutaka Ichikawa},
title = {Ground-state phase diagram of the distorted diamond type S=1/2 quantum spin chain with the XXZ anisotropy},
journal = {J. Phys. Chem. Solids},
year = 2005,
}
@article{CTT100393169,
author = {Toru Sakai and Munehisa Matsumoto and Kouichi Okunishi and Kiyomi Okamoto and Masahiro Sato},
title = {Energy Gap of Spin Nanotube},
journal = {Physica E},
year = 2005,
}
@article{CTT100393170,
author = {Hikomitsu Kikuchi and Yutaka Fujii and Meiro Chiba and Seitaro Mitsudo and Toshitaka Idehara and Takashi Tonegawa and Kiyomi Okamoto and Toru Sakai and Tomohiko Kuwai and Koichi Kindo and Akira Matsuo and Wataru Higemoto and Kusuo Nishiyama and Mladen Horovic and Claude Bertheir},
title = {Magnetic Properties of the Diamond Chain Compound Cu3(CO3)2(OH)2},
journal = {Prog. Theor. Phys. Suppl.},
year = 2005,
}
@article{CTT100393171,
author = {Kiyomi Okamoto and Takashi Tonegawa and Tsutoshi Yamada and Masashige Matsumoto and Mikito Koga and Toru Sakai},
title = {Ground-State Phase Diagram of the S=1/2 Distorted Diamond Type Spin Chain with Ferromagnetic Interactions},
journal = {Prog. Theor. Phys. Suppl},
year = 2005,
}
@article{CTT100498828,
author = {Nobuya Maeshima and Kouichi Okunishi and Kiyomi Okamoto and Toru Sakai },
title = {Frustration-Induced eta Inversion in the S=1/2 Bond-Alternating Spin Chain },
journal = {Phys. Rev. Lett.},
year = 2004,
}
@article{CTT100498827,
author = {T. Sakai and K. Okamoto and K. Okunishi and K. Kindo and Y. Narumi and Y. Hosokoshi and K. Kato and K. Inoue and T. Goto },
title = {Magnetization Plateau and Cusp in S=1 Spin Ladder},
journal = {Physica B},
year = 2004,
}
@article{CTT100498826,
author = {T. Tonegawa and K. Okamoto and K. Okunishi and K. Nomura and M. Kaburagi:},
title = {Magnetization Plateau in an Anisotropic S=1/2 Antiferromagnetic Chain with Frustration and Bond-Alternation },
journal = {Physica B },
year = 2004,
}
@article{CTT100498825,
author = {T. Sakai and K. Okamoto and K. Okunishi and M. Sato},
title = {Anomalous Magnetization Process in Frustrated Spin Ladders },
journal = {J. Phys.: Cond. Matter },
year = 2004,
}
@article{CTT100497840,
author = {T. Sakai and N. Maeshima and K. Okunishi and K. Okamoto},
title = {Field-induced spin liquids, orders, and gaps in frustrated bond-alternating quantum spin chain},
journal = {Bull. Am. Phys. Soc.},
year = 2004,
}
@article{CTT100496496,
author = {Nobuya Maeshima and Kouichi Okunishi and Kiyomi Okamoto and Toru Sakai},
title = {Magnetization process of the frustrated bond-alternating chain},
journal = {News Letter: Field-Induced New Quantum Phenomena in Magnetic Systems},
year = 2004,
}
@article{CTT100496495,
author = {Toru Sakai and Kiyomi Okamoto and Kouichi Okunishi and Masahiro Sato},
title = {S=1 Spin Ladder in Magnetic Field},
journal = {News Letter: Field-Induced New Quantum Phenomena in Magnetic Systems},
year = 2004,
}
@article{CTT100496494,
author = {Takashi Tonegawa and Kiyomi Okamoto and Makoto Kaburagi},
title = {Finite-Field Ground State of the S=1 Antiferromagnetic-Ferromagnetic Bond-Alternating Chain},
journal = {News Letter: Field-Induced New Quantum Phenomena in Magnetic Systems},
year = 2004,
}
@article{CTT100496437,
author = {T. Sakai and K. Okamoto and K. Okunishi and M. Sato},
title = {Anomalous magnetization process in frustrated spin ladders },
journal = {J. Phys.: Cond. Matter},
year = 2004,
}
@article{CTT100482300,
author = {KIYOMI OKAMOTO},
title = {Phase diagram of the S=1/2 two-leg spin ladder with staggered bond alternation},
journal = {Phys. Rev. B},
year = 2003,
}
@article{CTT100482642,
author = {Kiyomi Okamoto and Takashi Tonegawa and Makoto Kaburagi},
title = {Magnetic Properties of S=1/2 Distorted Diamond Chain},
journal = {J. Phys.: Condesed Matter},
year = 2003,
}
@article{CTT100482513,
author = {Kiyomi Okamoto and Toru Sakai},
title = {Spin-Peierls Mechanism for the Non-Trivial Magnetization Plateaux in Two-Leg Spin Ladders},
journal = {Physica B},
year = 2003,
}
@article{CTT100482512,
author = {Toru Sakai and Nobuhisa Okazaki and Kiyomi Okamoto and Koichi Kindo and Yasuo Narumi and Yuko Hosokoshi and Keiichi Katoh and Katsuya Inoue and Tsuneaki Goto },
title = {Magnetization Plateaux in S=1 Organic Spin Ladder BIP-TENO},
journal = {Physica B},
year = 2003,
}
@article{CTT100481338,
author = {T. Sakai and K. Okamoto and N. Okazaki and K. Kindo and Y. Narumi and Y. Hosokoshi and K. Katoh and K. Inoue and T. Goto},
title = {Magnetization plateau in S=1 spin ladder},
journal = {Bull. Am. Phys. Soc.},
year = 2003,
}
@article{CTT100481334,
author = {T. Sakai and N. Okazaki and K. Okamoto and K. Kindo and Y. Narumi and Y. Hosokoshi and K. Kato and K. Inoue and T. Goto},
title = {Magnetization Plateau in S=1 Spin Ladder},
journal = {Phys. Stat. Sol. (b)},
year = 2003,
}
@article{CTT100481258,
author = {Kiyomi Okamoto and Takashi Tonegawa and Makoto Kaburagi},
title = {Distorted Diamond Chain Spin Model and the Magnetic Properties of the Azurite},
journal = {Booklet of 3rd International Symposium on New Developments in Strongly Correlated Electron Phase under Multiple Environment},
year = 2003,
}
@article{CTT100481241,
author = {KIYOMI OKAMOTO},
title = {Inversion Phenomena of the Anisotropies of the Hamiltonian and the Wave Function in Quantum Spin Chains},
journal = {News Letter: Field-Induced New Quantum Phenomena in Magnetic Systems},
year = 2003,
}
@article{CTT100465940,
author = {KIYOMI OKAMOTO},
title = {Anisotropies of the Hamiltonian and the Wave Function --- Inversion Phenonema in Quantum Spin Chains},
journal = {Prog. Theor. Phys. Suppl.},
year = 2002,
}
@article{CTT100465939,
author = {KIYOMI OKAMOTO},
title = {Level Spectroscopy: Physical Meaning and Application to Magnetization Plateaux},
journal = {Prog. Theor. Phys. Suppl.},
year = 2002,
}
@article{CTT100465839,
author = {Kiyomi Okamoto and Yutaka Ichikawa},
title = {Inversion Phenomena of the Anisotropies of the Hamiltonian and the Wave-Function in the Distorted Diamond Type Spin Chain},
journal = {J. Phys. Chem. Solids},
year = 2002,
}
@article{CTT100465838,
author = {Nobuhisa Okazaki and Kiyomi Okamoto and Toru Sakai},
title = {Magnetization Plateau in the S=1 Spin Ladder with Competing Interactions},
journal = {J. Phys. Chem. Solids},
year = 2002,
}
@article{CTT100465602,
author = {K. Okamoto and T. Tonegawa and T. Hikihara and M. Kaburagi},
title = {Ground state and magnetization plateaux of the bond-alternating zig-zag ladder Cu2Cl4・ H8C4SO2},
journal = {News Letter: Field-Induced New Quantum Phenomena in Magnetic Systems},
year = 2002,
}
@article{CTT100465601,
author = {K. Kindo and Y. Narumi and Y. Hosokoshi and K. Kato and K. Inoue and T. Sakai and N. Okazaki and K. Okamoto and H. Tanaka and H. Kageyama and Y. Ueda},
title = {Magnetization Process up to 70T in Quantum Spin Systems},
journal = {News Letter: Field-Induced New Quantum Phenomena in Magnetic Systems},
year = 2002,
}
@article{CTT100465600,
author = {T. Sakai and N. Okazaki and K. Okamoto and K. Kindo and Y. Narumi and Y. Hosokoshi and K. Kato and K. Inoue},
title = {Magnetization Plateau in S=1 Spin Ladder},
journal = {News Letter: Field-Induced New Quantum Phenomena in Magnetic Systems},
year = 2002,
}
@article{CTT100465599,
author = {T. Sakai and K. Okamoto},
title = {Quantum Magnetization plateaux of an anisotropic ferrimagnetic spin chain},
journal = {Phys. Rev. B},
year = 2002,
}
@article{CTT100465598,
author = {KIYOMI OKAMOTO},
title = {Mechanisms for Non-Trivial Magnetization Plateaux of an S=1 Frustrated Spin Ladder},
journal = {J. Phys. Soc. Jpn.},
year = 2002,
}
@article{CTT100459790,
author = {野村清英 and 岡本清美},
title = {ＢＫＴ転移とレベルスペクトロスコピー},
journal = {日本物理学会誌},
year = 2001,
}
@article{CTT100458303,
author = {岡本清美 and 岡崎暢寿 and 坂井徹},
title = {BIP-TENO の非自明磁化プラトーの機構の理論},
journal = {有機分子機能体の設計・合成・物性: 講演集(分子科学研究所)},
year = 2001,
}
@article{CTT100458302,
author = {岡崎暢寿 and 岡本清美 and 坂井徹 },
title = {フラストレートしたスピンラダーの磁化過程 },
journal = {有機分子機能体の設計・合成・物性: 講演集(分子科学研究所) },
year = 2001,
}
@article{CTT100457011,
author = {Atsushi Nakasu and Keisuke Totsuka and Yasumasa Hasegawa and Kiyomi Okamoto and Toru Sakai},
title = {Field-Induced Gap due to Four-Spin Exchange in a Spin Ladder},
journal = {J. Phys.: Condens. Matter},
year = 2001,
}
@article{CTT100457010,
author = {KIYOMI OKAMOTO},
title = {Magnetization Process of S=1/2 XXZ Chain in a Periodic Magnetic Field },
journal = {J. Phys. Soc. Jpn.},
year = 2001,
}
@article{CTT100457009,
author = {Kiyomi Okamoto and Nobuhisa Okazaki and Toru Sakai},
title = {Magnetization Plateau of an S=1 Frustrated Spin Ladder},
journal = {J. Phys. Soc. Jpn.},
year = 2001,
}
@article{CTT100457008,
author = {Takashi Tonegawa and Kiyomi Okamoto and Makoto Kaburagi },
title = {Finite-Field Ground State of an Antiferromagnetic Spin-1/2 Chain with Competing Interactions },
journal = {Physica B},
year = 2001,
}
@article{CTT100457007,
author = {Kiyomi Okamoto and Atsuhiro Kitazawa },
title = {Magnetization Plateau of an S=3/2 Spin Chain with on-site Anisotropy },
journal = {J. Phys. Chem. Solids},
year = 2001,
}
@article{CTT100457006,
author = {Takashi Tonegawa and Kiyomi Okamoto and Toshiya Hikihara and Yutaka Takahashi and Makoto Kaburagi},
title = {Ground state of an S=1/2 distorted diamond chain in a finite magnetic field},
journal = {J. Phys. Chem. Solids},
year = 2001,
}
@article{CTT100437988,
author = {岡本清美 and 市川豊},
title = {歪んだダイヤモンド型XXZスピン鎖の基底状態},
journal = {物性研究},
year = 2000,
}
@article{CTT100437987,
author = {岡崎暢寿 and 坂井徹 and 岡本清美},
title = {フラストレートしたスピンラダーでの磁場誘起スピンギャップ},
journal = {物性研究},
year = 2000,
}
@article{CTT100437986,
author = {利根川孝 and 岡本清美 and 鏑木誠},
title = {歪んだダイヤモンド型 S=1/2 スピン鎖の基底状態相図},
journal = {SENAC(東北大学大型計算機センター広報)},
year = 2000,
}
@article{CTT100437985,
author = {利根川孝 and 岡本清美 and 引原俊哉 and 高橋裕 and 鏑木誠},
title = {歪んだダイヤモンド型S=1/2スピン鎖の基底状態 --- 有限磁場効果 ---},
journal = {物性研だより},
year = 2000,
}
@article{CTT100437984,
author = {北澤充弘 and 岡本清美},
title = {一軸異方性のあるS=3/2スピン鎖における磁化プラトー状態},
journal = {物性研だより},
year = 2000,
}
@article{CTT100437983,
author = {岡本清美 and 北澤充弘},
title = {S=1/2 三量体スピン鎖および ferro-ferro-antiferro 鎖における磁化プラトー},
journal = {物性研だより},
year = 2000,
}
@article{CTT100437982,
author = {Nobuhisa Okazaki and Kiyomi Okamoto and Toru Sakai},
title = {Field-Induced Gaps in the Frustrated Spin Ladder},
journal = {J. Phys. Soc. Jpn. },
year = 2000,
}
@article{CTT100437978,
author = {Takashi Tonegawa and Kiyomi Okamoto and Toshiya Hikihara and Yutaka Takahashi and Makoto Kaburagi},
title = {Ground-State Properties of an S=1/2 Distorted Diamond Chain},
journal = {J. Phys. Soc. Jpn.},
year = 2000,
}
@article{CTT100437981,
author = {Takashi Tonegawa and Kiyomi Okamoto and Toshiya Hikihara and Yutaka Takahashi and Makoto Kaburagi},
title = {Ground State of an S=1/2 Distorted Diamond Chain},
journal = {RIKEN Review},
year = 2000,
}
@article{CTT100437979,
author = {Atsuhiro Kitazawa and Kiyomi Okamoto},
title = {Magnetization-Plateau State of the S=3/2 Spin Chain with Single Ion Anisotropy},
journal = {Phys. Rev. B},
year = 2000,
}
@article{CTT100437977,
author = {Kiyomi Okamoto and Atsuhiro Kitazawa},
title = {Quantum Phase Transition of S=1/2 Trimerized XXZ Spin Chain in Magnetic Field},
journal = {Physica B},
year = 2000,
}
@article{CTT100426562,
author = {Kiyomi Okamoto and Atsuhiro Kitazawa},
title = {Magnetization Plateau and Quantum Phase Transition of the S=1/2 Trimerized XXZ Spin Chain},
journal = {Journal of Physics A: Mathematical and General},
year = 1999,
}
@article{CTT100426563,
author = {岡本清美 and 北澤充弘},
title = {S = 1/2 Trimerized XXZ 鎖の磁化プラトー},
journal = {物性研究},
year = 1999,
}
@article{CTT100426564,
author = {Atsuhiro Kitazawa and Kiyomi Okamoto},
title = {Breakdown of the Magnetization Plateau in S=1/2 Ferromagnetic-Ferromagnetic-Antiferromagnetic Spin Chain},
journal = {Journal of Physics: Condensed Matter},
year = 1999,
}
@article{CTT100426565,
author = {Kiyomi Okamoto and Takashi Tonegawa and Yutaka Takahashi and Makoto Kaburagi},
title = {Ground State of the S=1/2 Distorted Diamond Chain --- Model of Cu3Cl6(H2O)2・2H8C4SO2},
journal = {Journal of Physics: Condensed Matter},
year = 1999,
}
@article{CTT100482579,
author = {岡崎暢寿 and 坂井徹 and 岡本清美},
title = {フラストレートしたスピンラダーでの磁場誘起スピンギャップ},
journal = {物性研究},
year = 1999,
}
@article{CTT100417625,
author = {Tota Nakamura and Kiyomi Okamoto},
title = {Theoretical Analysis of the Experiments on the Double-Spin-Chain Compound-KCuCl3},
journal = {Physical Review B},
year = 1998,
}
@article{CTT100417623,
author = {Kiyomi Okamoto and Tota Nakamura},
title = {Critical Properties of the Spin-1/2 Heisenberg Chain with Frustration and Bond Alternation},
journal = {Journal of Physics A: Mathematical and General},
year = 1997,
}
@article{CTT100417622,
author = {Tota Nakamura and Satoshi Takada and Kiyomi Okamoto and Naoki Kurosawa},
title = {Haldane and Dimer Gap in General Double Spin-Chain Models},
journal = {Journal of Physics: Condensed Matter},
year = 1997,
}
@article{CTT100417619,
author = {KIYOMI OKAMOTO},
title = {Critical properties of the transition between the Haldane phase and the large-D phase of the spin-1/2 ferromagnetic-antiferromagnetic Heisenberg chain with on-site anisotropy},
journal = {Journal of Physics A},
year = 1996,
}
@article{CTT100417618,
author = {KIYOMI OKAMOTO},
title = {Critical Properties of the XXZ Chain in External Staggered Magnetic Field},
journal = {Journal of Physics A: Mathematical and General},
year = 1996,
}
@article{CTT100417617,
author = {Kiyomi Okamoto and Atsyhiro Kitazawa},
title = {Plateau of the Magnetization Curve of the S=1/2 Ferromagnetic-Ferromagnetic-Antiferromagnetic Spin Chain},
journal = {Solid State Communications},
year = 1996,
}
@article{CTT100417620,
author = {Atsuhiro Kitazawa and Kiyohide Nomura and Kiyomi Okamoto:},
title = {Phase Diagram of S=1 Bond-Alternating XXZ Chain},
journal = {Physical Review Letters},
year = 1996,
}
@article{CTT100417616,
author = {KIYOMI OKAMOTO},
title = {Twist Method for Quantum Ground-State Problems and its Application to Antiferromagnetic Heisenberg Chains with Competing Interactions},
journal = {Journal of the Physical Society of Japan},
year = 1995,
}
@article{CTT100417615,
author = {Kiyohide Nomura and Kiyomi Okamoto},
title = {Critical Properties of S=1/2 Antiferromagnetic XXZ Chain with Next-Nearest-Neighbor Interactions},
journal = {Journal of Physics A},
year = 1994,
}
@article{CTT100417614,
author = {KIYOMI OKAMOTO},
title = {Comment on 'Ground-State Phase Diagram of the Spin-1/2 Ferromagnetic-Antiferromagnetic Alternating Heisenberg Chains with Anisotropy'},
journal = {Physical Review B},
year = 1993,
}
@article{CTT100417613,
author = {KIYOMI OKAMOTO},
title = {Haldane Phase and Large-D Phase of the Spin-1/2 Ferromagnetic-Antiferromagnetic Alternating Heisenberg Chain with On-Site Anisotropy},
journal = {Journal of the Physical Society of Japan},
year = 1993,
}
@article{CTT100417612,
author = {Kiyohide Nomura and Kiyomi Okamoto},
title = {Phase Diagram of S=1/2 Antiferromagnetic XYZ Chain with Next Nearest Neighbor Interactions},
journal = {Journal of the Physical Society of Japan},
year = 1993,
}
@article{CTT100417611,
author = {KIYOMI OKAMOTO},
title = {S=1/2 XY Chain with the Ising Bond Alternation},
journal = {Solid State Communications},
year = 1993,
}
@article{CTT100417609,
author = {KIYOMI OKAMOTO},
title = {S=1/2 Heisenberg Chain with Bond Alternation in the Sz-Sz Coupling},
journal = {Journal of the Physical Society of Japan},
year = 1992,
}
@article{CTT100417610,
author = {KIYOMI OKAMOTO},
title = {Fluid-Dimer Critical Point in S=1/2 Antiferromagnetic Heisenberg Chain with Next Nearest Neighbor Interactions},
journal = {Physics Letters A},
year = 1992,
}
@article{CTT100417608,
author = {KIYOMI OKAMOTO},
title = {Stability of S=1/2 Trimerized Antiferromagnetic XY Chain},
journal = {Solid State Communications},
year = 1992,
}
@article{CTT100417607,
author = {KIYOMI OKAMOTO},
title = {Alternating S=1/2 XY Chain in Lorentzian Random Field},
journal = {Journal of the Physical Society of Japan},
year = 1990,
}
@article{CTT100417606,
author = {KIYOMI OKAMOTO},
title = {Competition between the Bond Alternation and the Anisotropy in Spin-1/2 XY Chain},
journal = {Journal of the Physical Society of Japan},
year = 1990,
}
@article{CTT100417605,
author = {KIYOMI OKAMOTO},
title = {Phase Diagram of Spin-1/2 Alternating Ferromagnetic Chain with XY-like Anisotropy},
journal = {Journal of the Physical Society of Japan},
year = 1989,
}
@article{CTT100417604,
author = {KIYOMI OKAMOTO},
title = {Longitudinal Spin Correlation in Spin-1/2 Dimerized XY Chain. II Finite Temperatures},
journal = {Journal of the Physical Society of Japan},
year = 1989,
}
@article{CTT100417603,
author = {KIYOMI OKAMOTO},
title = {Longitudinal Spin Correlation in Spin-1/2 Dimerized XY Chain},
journal = {Journal of the Physical Society of Japan},
year = 1988,
}
@article{CTT100417602,
author = {KIYOMI OKAMOTO},
title = {Ground-State of Spin-1/2 Alternating Heisenberg-XY Ferromagnet in One Dimension},
journal = {Journal of the Physical Society of Japan},
year = 1988,
}
@article{CTT100417591,
author = {KIYOMI OKAMOTO},
title = {Specific Heat and Diamagnetic Susceptibility of Hg┣D23-δ┫D2AsF┣D26┫D2 above the Superconducting Transition Temperature},
journal = {Journal of the Physical Society of Japan},
year = 1987,
}
@article{CTT100417601,
author = {KIYOMI OKAMOTO},
title = {Competition between the N(]E85EE[)el and the Effective Singlet States in the Spin-1/2 Alternating Heisenberg-Ising Antiferromagnet in One Dimension},
journal = {Journal of the Physical Society of Japan},
year = 1987,
}
@article{CTT100417600,
author = {KIYOMI OKAMOTO},
title = {Effect of Overdeposition of Gold on the Fluctuation-Induced Conductivity of Superconducting Aluminum Films},
journal = {Journal of the Physical Society of Japan},
year = 1987,
}
@article{CTT100417599,
author = {KIYOMI OKAMOTO},
title = {Superconducting Fluctuations above the Transition Temperature in the Mercury Chain Compound Hg┣D23-δ┫D2AsF┣D26┫D2},
journal = {Japanese Journal of Applied Physics},
year = 1987,
}
@article{CTT100417598,
author = {KIYOMI OKAMOTO},
title = {Pair-Breaking Mechanism for Disorder of Sb/Sn Thin Films},
journal = {Japanese Journal of Applied Physics},
year = 1987,
}
@article{CTT100417597,
author = {KIYOMI OKAMOTO},
title = {Superconducting Transition Temperature of Sb/Sn Thin Films },
journal = {Japanese Journal of Applied Physics},
year = 1987,
}
@article{CTT100417596,
author = {KIYOMI OKAMOTO},
title = {Fluctuation-Induced Conductivity of Superconducting Films with the Overdeposition of Gold},
journal = {Japanese Journal of Applied Physics},
year = 1987,
}
@article{CTT100417595,
author = {KIYOMI OKAMOTO},
title = {Fluctuation-Induced Conductivity of Superconducting Films with the Lithium Fluoride Precoating},
journal = {Japanese Journal of Applied Physics},
year = 1987,
}
@article{CTT100417594,
author = {KIYOMI OKAMOTO},
title = {Spin Correlation in the Spin-Peierls System},
journal = {Japanese Journal of Applied Physics},
year = 1987,
}
@article{CTT100417593,
author = {KIYOMI OKAMOTO},
title = {Fluctuation-Induced Conductivity in Superconducting Tin Films with the Overdeposition of Gold},
journal = {Journal of the Physical Society of Japan},
year = 1987,
}
@article{CTT100417592,
author = {KIYOMI OKAMOTO},
title = {Temperature Dependence of the Correlation Length of iz Sjz> in Spin-1/2 Alternating Heisenberg-XY Antiferromagnets },
journal = {Journal of the Physical Society of Japan},
year = 1987,
}
@article{CTT100417590,
author = {Hidetoshi Nishimori and Kiyomi Okamoto},
title = {Numerical Analysis of Spin-1/2 Alternating Heisenberg-XY Antiferromagnet in One-Dimension},
journal = {Journal of the Physical Society of Japan},
year = 1987,
}
@article{CTT100417589,
author = {KIYOMI OKAMOTO},
title = {Correlation Function iz Sjz> in Spin--1/2 Alternating Heisenberg-XY Antiferromagnets in One-Dimension in Spin-1/2 Alternating Heisenberg-XY Antiferromagnets in One-Dimension},
journal = {Journal of the Physical Society of Japan},
year = 1987,
}
@article{CTT100417588,
author = {KIYOMI OKAMOTO},
title = {Sugiyama-Gutfreund-Weger Model and the Paraconductivity in the Mercury Chain Compound Hg┣D23-δ┫D2AsF┣D26┫D2},
journal = {Journal of the Physical Society of Japan},
year = 1986,
}
@article{CTT100417587,
author = {KIYOMI OKAMOTO},
title = {A Numerical Study of Spin-1/2 Alternating Antiferromagnetic Heisenberg Chains},
journal = {Journal of the Physical Society of Japan},
year = 1986,
}
@article{CTT100417586,
author = {KIYOMI OKAMOTO},
title = {Metal-Insulator Transition of a One-Dimensional System of Interacting Electrons in a 2k┣D2F┫D2-Periodic Potential},
journal = {Progress of Theoretical Physics},
year = 1986,
}
@article{CTT100417585,
author = {KIYOMI OKAMOTO},
title = {Ordered States of a One-Dimensional System of Interacting Electrons in a Full-Filled Band},
journal = {Solid State Communications},
year = 1985,
}
@article{CTT100417584,
author = {KIYOMI OKAMOTO},
title = {Effect of Precoating on the Fluctuation-Induced Conductivity in Superconducting Metal Films},
journal = {Journal of the Physical Society of Japan},
year = 1985,
}
@article{CTT100417583,
author = {KIYOMI OKAMOTO},
title = {A Theory of a One-Dimensional System of Interacting Electrons in a 2k┣D2F┫D2-Periodic Potential},
journal = {Progress of Theoretical Physics},
year = 1984,
}
@article{CTT100417582,
author = {KIYOMI OKAMOTO},
title = {Electrical Conductivity of a Quasi-One-Dimensional Superconductor},
journal = {Progress of Theoretical Physics},
year = 1983,
}
@article{CTT100417580,
author = {KIYOMI OKAMOTO},
title = {Impurity Scattering and Electrical Conductivity in a One-Dimensional Conductor},
journal = {Progress of Theoretical Physics},
year = 1982,
}
@article{CTT100417578,
author = {KIYOMI OKAMOTO},
title = {The Perpendicular Conductivity in Quasi-One-Dimensional Superconductors},
journal = {Progress of Theoretical Physics},
year = 1981,
}
@article{CTT100417577,
author = {KIYOMI OKAMOTO},
title = {Electrical Conductivity above the Superconducting Transition Temperature in Quasi-One-Dimensional Conductors},
journal = {Progress of Theoretical Physics},
year = 1981,
}
@article{CTT100417579,
author = {KIYOMI OKAMOTO},
title = {Transition Temperatures of Quasi-One-Dimensional Conductors},
journal = {Progress of Theoretical Physics},
year = 1981,
}
@article{CTT100417574,
author = {KIYOMI OKAMOTO},
title = {Hall Effect in Lead Films near the Superconducting Transition Temperature},
journal = {Journal of the Physical Society of Japan},
year = 1979,
}
@article{CTT100417576,
author = {KIYOMI OKAMOTO},
title = {Resistive Superconducting Transition of Vanadium Films},
journal = {Physics Letters A},
year = 1979,
}
@article{CTT100417575,
author = {KIYOMI OKAMOTO},
title = {Fluctuation-Induced Conductivity above the Superconducting Transition Temperature in Indium Films Containing Gadolinium Impurities},
journal = {Journal of the Physical Society of Japan},
year = 1979,
}
@article{CTT100417573,
author = {KIYOMI OKAMOTO},
title = {Effect of Perpendicular Magnetic Field on Paraconductivity in a Superconductor Containing Magnetic Impurities},
journal = {Journal of the Physical Society of Japan},
year = 1977,
}
@article{CTT100417572,
author = {KIYOMI OKAMOTO},
title = {Effects of Magnetic Impurities on Paraconductivity in Superconductors},
journal = {Journal of the Physical Society of Japan},
year = 1977,
}
@article{CTT100417571,
author = {KIYOMI OKAMOTO},
title = {Fluctuation-Induced Conductivity above the Superconducting Transition Temperature in Thallium Films},
journal = {Journal of the Physical Society of Japan},
year = 1976,
}
@misc{CTT100595143,
author = {岡本清美},
title = {超伝導体のパラコンダクティビティに関する理論的研究},
year = 1978,
}
@phdthesis{CTT100595143,
author = {岡本清美},
title = {超伝導体のパラコンダクティビティに関する理論的研究},
school = {東京工業大学},
year = 1978,
}