HATSUGAI Yasuhiro
- Articles
- Cyclotron radiation and emission in graphene -- a possibility of Landau-level laser
T. Motimoto; Y. Hatsugai; H. Aoki
Journal of Physics: Conference Series/150/p.022059 (4), 2009-01 - Quantized Berry phase of Kondo insulators
I. Maruyama; Y. Hatsugai
Journal of Physics: Conference Series/150/p.042116 (4), 2009-01 - Quantum Hall plateau transition in graphene with correlated random hopping
T. Kawarabayashi; Y. Hatsugai; H. Aoki
Phys. Rev. Lett./103/p.156804 (4), 2009-01 - Edge states of Spin-1/2 Two-Leg Ladder with Four-Spin Ring Exchange
Mitsuhiro Arikawa; Shou Tanaya; Isao Maruyama; Yasuhiro ...
Phys. Rev. B/79/p.205107 (5), 2009-01 - Optical Hall conductivity in ordinary and graphene QHE systems
T. Morimoto; Y. Hatsugai; H. Aoki
Phys. Rev. Lett./103/p.116803 (4), 2009-01 - Topological Identification of Spin-1/2 Two-Leg Ladder with Four-Spin Ring Exchange
I. Maruyama; T. Hirano; Y. Hatsugai
Phys. Rev. B/79/p.115107 (5), 2009-01 - Topological Meaning Of Z(2) Numbers in Time Reversal Invariant Systems
Fukui Takahiro; Fujiwara Takanori; Hatsugai Yasuhiro
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN/77(12)/pp.0-0, 2008-12 - Topological Meaning of Z_2 Numbers in Time Reversal Invariant Systems(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
FUKUI Takahiro; FUJIWARA Takanori; HATSUGAI Yasuhiro
Journal of the Physical Society of Japan/77(12)/pp.0-1, 2008-12 - Edge states in graphene in magnetic fields: A specialty of the edge mode embedded in the n=0 Landau band
Arikawa Mitsuhiro; Hatsugai Yasuhiro; Aoki Hideo
PHYSICAL REVIEW B/78(20)/pp.0-0, 2008-11 - Cyclotron radiation and emission in graphene
Morimoto Takahiro; Hatsugai Yasuhiro; Aoki Hideo
PHYSICAL REVIEW B/78(7)/pp.0-0, 2008-08 - 22aTA-2 Entanglement entropy of graphene in bond order phase in magnetic fields
有川 晃弘; 青木 秀夫; 福井 隆裕; 初貝 安弘
Meeting abstracts of the Physical Society of Japan/63(2)/p.606, 2008-08 - 22aTA-1 Quantum Hall Effect of Graphene by Multi-Band Tight-Binding Model
新井 正男; 初貝 安弘
Meeting abstracts of the Physical Society of Japan/63(2)/p.605, 2008-08 - Degeneracy and consistency condition for Berry phases: Gap closing under a local gauge twist
Hirano T.; Katsura H.; Hatsugai Y.
PHYSICAL REVIEW B/78(5)/pp.0-0, 2008-08 - 22pVD-9 Entanglement entropy in spin ladder systems with ring-exchange interaction
棚谷 翔; 丸山 勲; 有川 晃弘; 初貝 安弘
Meeting abstracts of the Physical Society of Japan/63(2)/p.252, 2008-08 - 23aPS-15 Quantized Berry phase of the Haldane phase in S=1/2 spin systems
丸山 勲; 初貝 安弘
Meeting abstracts of the Physical Society of Japan/63(2)/p.261, 2008-08 - Topological low-energy modes in N=0 Landau levels of graphene: A possibility of a quantum-liquid ground state
Hatsugai Yasuhiro; Fukui Takahiro; Aoki Hideo
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES/40(5)/pp.1530-1532, 2008-03 - Topological classification of gapped spin chains: Quantized Berry phase as a local order parameter
Hirano T.; Katsura H.; Hatsugai Y.
PHYSICAL REVIEW B/77(9)/pp.0-0, 2008-03 - 23pWD-3 Topological classification of integer spin chians by the Berry phases
初貝 安弘; 平野 嵩明; 桂 法称
Meeting abstracts of the Physical Society of Japan/63(1)/p.273, 2008-02 - 23pWD-12 Berry phases and the Lieb-Schultz-Mattis theorem
平野 嵩明; 桂 法称; 初貝 安弘
Meeting abstracts of the Physical Society of Japan/63(1)/p.275, 2008-02 - 24pRJ-4 Quantized Berry phases and local order parameters of frustrated spin liquids
初貝 安弘
Meeting abstracts of the Physical Society of Japan/63(1)/p.291, 2008-02 - 23aTE-3 Local order parameters of Kondo insulators
丸山 勲; 初貝 安弘
Meeting abstracts of the Physical Society of Japan/63(1)/p.259, 2008-02 - 24pRJ-4 Quantized Berry phases and local order parameters of frustrated spin liquids
初貝 安弘
Meeting abstracts of the Physical Society of Japan/63(1)/p.478, 2008-02 - 23aWH-4 Ac Hall conductivity in THz reigion for QHE system
森本 高裕; 初貝 安弘; 青木 秀夫
Meeting abstracts of the Physical Society of Japan/63(1)/p.655, 2008-02 - Topological Aspects of Surface States in Semiconductors
Y. Kuge; I. Maruyama; Y. Hatsugai
arXiv:0802.2425, 2008-01 - Topological meaning of Z
numbers in time reversal invariant systems
Takahiro Fukui; Takanori Fujiwara; Yasuhiro Hatsugai
Journal of the Physical Society of Japan (Letter)/77/p.123705, 2008-01 - more...
- Cyclotron radiation and emission in graphene -- a possibility of Landau-level laser