HATSUGAI Yasuhiro
- Articles
- Topological aspects of the quantum spin-Hall effect in graphene: Z2 topological order and spin Chern number
Takahiro Fukui; Yasuhiro Hatsugai
Phys. Rev. B (RC)/75/p.121403(R), 2007-01 - Quantum fluctuation of tunneling current in individual Ge quantum dots induced by a single-electron transfer
Yoshiaki Nakamura; Masakazu Ichikawa; Kentaro Watanabe; a...
Appl. Phys. Lett./90/p.153104, 2007-01 - Topological aspects of graphene: Dirac fermions and the bulk-edge correspondence in magnetic fields
Y. Hatsugai; T. Fukui; H. Aoki
The European Physical Journal Special Topics ( Advances in Graphene Physics )/148/p.133-141, 2007-01 - 25pXD-10 Entanglement Entropy and Topological Orders in Quantum Spin Systems
平野 嵩明; 初貝 安弘
Meeting abstracts of the Physical Society of Japan/61(2)/p.220, 2006-08 - 25aXL-2 Quantum phase transformation and Entanglement entropy in the Quantum Hall system
Song Hui; 初貝 安弘
Meeting abstracts of the Physical Society of Japan/61(2)/p.545, 2006-08 - 25aXL-9 Topological quantum numbers in the quantum Hall effect in graphene : Dirac-Fermi crossover and the edge states
初貝 安弘; 福井 隆裕; 青木 秀夫
Meeting abstracts of the Physical Society of Japan/61(2)/p.547, 2006-08 - 23aZG-10 DMRG study of Interchain Hopping in Quasi-one-dimensional Systems II
丸山 勲; 初貝 安弘
Meeting abstracts of the Physical Society of Japan/61(2)/p.382, 2006-08 - 25pXD-8 Quantized Berry Phases as Local Order Parameters of Quantum Spins
初貝 安弘
Meeting abstracts of the Physical Society of Japan/61(2)/p.220, 2006-08 - 28pXH-7 Berry Phases in Many Body Problems and Topological Orders
初貝 安弘
Meeting abstracts of the Physical Society of Japan/61(1)/p.292, 2006-03 - 28aSB-13 Magnetism and landau level of the 2D Habard model
丹下 正章; 初貝 安弘
Meeting abstracts of the Physical Society of Japan/61(1)/p.468, 2006-03 - 28aUE-2 Charge and spin order in La_<1.5>Sr_<0.5>NiO_4
山元 進; 丹下 正章; 初貝 安弘; 藤原 毅夫
Meeting abstracts of the Physical Society of Japan/61(1)/p.574, 2006-03 - 29pTD-2 擬一次元系における鎖間相互作用のDMRGによる研究(29pTD 有機物・モット転移(理論),領域8(強相関系:高温超伝導,強相関f電子系など))
丸山 勲; 小出 哲司; 初貝 安弘
Meeting abstracts of the Physical Society of Japan/61(1)/p.615, 2006-03 - Topological description of (spin) Hall conductances on Brillouin zone lattices: quantum phase transitions and topological changes
Y. Hatsugai; T. Fukui; H. Suzuki
Physica E/34/p.336-339, 2006-01 - Quantized Berry Phases as a Local Order Parameter of a Quantum Liquid
Yasuhiro Hatsugai
Journal of the Physical Society of Japan (Letter)/75(12)/p.123601, 2006-01 - Topological analysis of the quantum Hall effect in graphene: Dirac-Fermi transition across van Hove singularities and edge versus bulk quantum numbers
Yasuhiro Hatsugai; Takahiro Fukui; Hideo Aoki
Phys. Rev. B/74/p.205414, 2006-01 - Entanglement entropy and the Berry phase in the solid state
S. Ryu; Y. Hatsugai
Phys. Rev. B/73/p.245115, 2006-01 - 22pXL-10 Hall conductances on a discretized Brillouin zone-Topological quantum numbers on a lattice
福井 隆裕; 初貝 安弘; 鈴木 博
Meeting abstracts of the Physical Society of Japan/60(2)/p.216, 2005-08 - 22aYP-1 Charge and spin order in La_<1.5>Sr_<0.5>NiO_4
山元 進; 丹下 正章; 初貝 安弘; 藤原 毅夫
Meeting abstracts of the Physical Society of Japan/60(2)/p.509, 2005-08 - 22pXL-4 Entanglement entropy and the Berry phase
笠 真生; 初貝 安弘
Meeting abstracts of the Physical Society of Japan/60(2)/p.214, 2005-08 - Chern Numbers in Discretized Brillouin Zone : Efficient Method of Computing (Spin) Hall Conductances(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)
FUKUI Takahiro; HATSUGAI Yasuhiro; SUZUKI Hiroshi
Journal of the Physical Society of Japan/74(6)/pp.1674-1677, 2005-06 - 26pYF-3 Magnetism of the 2D Habard model under a magnetic field by quantum Monte Carlo simulations
丹下 正章; 初貝 安弘
Meeting abstracts of the Physical Society of Japan/60(1)/p.307, 2005-03 - 26pYF-1 A Characterization of Topological Orders by Chern Numbers
初貝 安弘
Meeting abstracts of the Physical Society of Japan/60(1)/p.307, 2005-03 - Magnetism in the two-dimensional t-t Hubbard model: From low- to over-doping
H. Taniguchi; Y. Morita; and Y. Hatsugai; +初貝 安弘
Phys. Rev. B/71/p.134417, 2005-01 - Characterization of Topological Insulators: Chern Numbers for Ground State Multiplet
Yasuhiro Hatsugai
Journal of the Physical Society of Japan (Letter)/74(12)/p.1374-1377, 2005-01 - Explicit Gauge Fixing for Degenerate Multiplets : A Generic Setup for Topological Orders(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)
HATSUGAI Yasuhiro
Journal of the Physical Society of Japan/73(10)/pp.2604-2607, 2004-10 - more...
- Topological aspects of the quantum spin-Hall effect in graphene: Z2 topological order and spin Chern number