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Works (50)

BKT transitions of the XY and six-state clock models on the various two-dimensional lattices

Journal of Physics A: Mathematical and Theoretical
2025-02-10 | Journal article
DOI: 10.1088/1751-8121/ada988
Contributors: Yutaka Okabe; Hiromi Otsuka
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Comprehensive studies on the universality of BKT transitions-machine-learning study, Monte Carlo simulation, and level-spectroscopy method

Journal of Physics A: Mathematical and Theoretical
2023 | Journal article
DOI: 10.1088/1751-8121/ACD156
WOSUID: WOS:000987375200001
Contributors: Otsuka, Hiromi; Shiina, Kenta; Okabe, Yutaka
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Universal asymptotic correlation functions for point group C-6v and an observation for triangular lattice Q-state Potts model

Physical Review E
2023 | Journal article
DOI: 10.1103/PHYSREVE.107.024118
WOSUID: WOS:000932785700008
Contributors: Fujimoto, Masafumi; Otsuka, Hiromi
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Asymptotic correlation functions in the Q-state Potts model: A universal form for point group C-4v (vol 102, 032141, 2020)

Physical Review E
2022 | Journal article
DOI: 10.1103/PHYSREVE.105.059904
WOSUID: WOS:000827925300015
Contributors: Fujimoto, Masafumi; Otsuka, Hiromi
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Asymptotic correlation functions in the Q-state Potts model: A universal form for point group C-4v

Physical Review E
2020 | Journal article
DOI: 10.1103/PHYSREVE.102.032141
WOSUID: WOS:000579013900004
Contributors: Fujimoto, Masafumi; Otsuka, Hiromi
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Large peaks in the entropy of the diluted nearest-neighbor spin-ice model on the pyrochlore lattice in a [111] magnetic field

Physical Review E
2019 | Journal article
DOI: 10.1103/PHYSREVE.99.022138
WOSUID: WOS:000459916500003
Contributors: Andriushchenko, Petr; Soldatov, Konstantin; Peretyatko, Alexey; Shevchenko, Yuriy; Nefedev, Konstantin; Otsuka, Hiromi; Okabe, Yutaka
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Husimi-cactus approximation study on the diluted spin ice

Physical Review E
2018 | Journal article
DOI: 10.1103/PHYSREVE.97.042132
WOSUID: WOS:000432967700001
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Loop-string algorithm for Monte Carlo simulations of dipolar spin ice

Physical Review B
2015 | Journal article
DOI: 10.1103/PHYSREVB.92.134401
WOSUID: WOS:000362082200004
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Cluster algorithm for Monte Carlo simulations of spin ice

Physical Review B
2014 | Journal article
DOI: 10.1103/PHYSREVB.90.220406
WOSUID: WOS:000346374500002
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Scaling ansatz for the ac magnetic response in two-dimensional spin ice

Physical Review B
2014 | Journal article
DOI: 10.1103/PHYSREVB.90.144428
WOSUID: WOS:000343942700004
Contributors: Otsuka, Hiromi; Takatsu, Hiroshi; Goto, Kazuki; Kadowaki, Hiroaki
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AC Susceptibility of the Dipolar Spin Ice Dy2Ti2O7: Experiments and Monte Carlo Simulations

Journal of the Physical Society of Japan
2013 | Journal article
DOI: 10.7566/JPSJ.82.104710
WOSUID: WOS:000325108000027
Contributors: Takatsu, Hiroshi; Goto, Kazuki; Otsuka, Hiromi; Higashinaka, Ryuji; Matsubayashi, Kazuyuki; Uwatoko, Yoshiya; Kadowaki, Hiroaki
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Emergent criticalities and phase transitions in a monomer-dimer mixture on a honeycomb lattice

Journal of the Korean Physical Society
2013 | Journal article
DOI: 10.3938/JKPS.63.493
WOSUID: WOS:000323502800055
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Two-Dimensional Monopole Dynamics in the Dipolar Spin Ice Dy2Ti2O7

Journal of the Physical Society of Japan
2013 | Journal article
DOI: 10.7566/JPSJ.82.073707
WOSUID: WOS:000321121100013
Contributors: Takatsu, Hiroshi; Goto, Kazuki; Otsuka, Hiromi; Higashinaka, Ryuji; Matsubayashi, Kazuyuki; Uwatoko, Yoshiya; Kadowaki, Hiroaki
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Monomer-Dimer Mixture on a Honeycomb Lattice

Physical Review Letters
2011 | Journal article
DOI: 10.1103/PHYSREVLETT.106.227204
WOSUID: WOS:000291260700008
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Phase transitions in square-lattice dimer model with anisotropic interactions

Computer Physics Communications
2011 | Journal article
DOI: 10.1016/J.CPC.2010.12.018
WOSUID: WOS:000292675100030
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Field Theoretical Treatment of a Three-Spin Interaction Model on Triangular Lattice

International Conference on Magnetism (ICM)
2010 | Conference paper
DOI: 10.1088/1742-6596/200/2/022045
WOSUID: WOS:000291321301101
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A numerical study of the phase transition in a triangular-lattice model with three-spin interactions

HIGHLY FRUSTRATED MAGNETISM (HFM)
2009 | Journal article
DOI: 10.1088/1742-6596/145/1/012043
WOSUID: WOS:000281486300044
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Classical dimer model with anisotropic interactions on the square lattice

Physical Review E
2009 | Journal article
DOI: 10.1103/PHYSREVE.80.011140
WOSUID: WOS:000268616300052
Contributors: Otsuka, Hiromi
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Critical intermediate phase and phase transitions in a triangular-lattice three-spin interaction model: Level-spectroscopy approach

Journal of Physics A: Mathematical and Theoretical
2008 | Journal article
DOI: 10.1088/1751-8113/41/37/375001
WOSUID: WOS:000258422900004
Contributors: Otsuka, Hiromi; Nomura, Kiyohide
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Crossover of Criticality in a Three-State Potts Antiferromagnet with a Staggered Polarization Field

Journal of the Korean Physical Society
2008 | Journal article
DOI: 10.3938/JKPS.53.1280
WOSUID: WOS:000258481000066
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Finite-size-scaling ansatz for the helicity modulus of the triangular-lattice three-spin interaction model

Physical Review E
2008 | Journal article
DOI: 10.1103/PHYSREVE.77.062101
WOSUID: WOS:000257287500117
Contributors: Otsuka, Hiromi
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Effective field theory of triangular-lattice three-spin interaction model

Journal of the Physical Society of Japan
2007 | Journal article
DOI: 10.1143/JPSJ.76.073002
WOSUID: WOS:000248244500003
Contributors: Otsuka, Hiromi
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Phase diagram and string-density plateau state of the anisotropic triangular antiferromagnetic Ising model

Journal of Physics: Condensed Matter
2007 | Journal article
DOI: 10.1088/0953-8984/19/14/145236
WOSUID: WOS:000245670300037
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Two-dimensional Ising transition in one-dimensional interacting electrons

Journal of Magnetism and Magnetic Materials
2007 | Journal article
DOI: 10.1016/J.JMMM.2006.10.306
WOSUID: WOS:000247618700194
Contributors: Otsuka, Hiromi; Nakamura, Masaaki
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Field-induced Berezinskii-Kosterlitz-Thouless transition and string-density plateau in the anisotropic triangular antiferromagnetic Ising model

Physical Review E
2006 | Journal article
DOI: 10.1103/PHYSREVE.73.035105
WOSUID: WOS:000236467700005
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Global phase diagram and six-state clock universality behavior in the triangular antiferromagnetic Ising model with anisotropic next-nearest-neighbor coupling: Level-spectroscopy approach

Physical Review E
2006 | Journal article
DOI: 10.1103/PHYSREVE.74.011104
WOSUID: WOS:000239425600021
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Monte Carlo study of the antiferromagnetic three-state Potts model with a staggered polarization field on the square lattice

Journal of Physics A: Mathematical and General
2006 | Journal article
DOI: 10.1088/0305-4470/39/29/006
WOSUID: WOS:000238978300010
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Ground-state phase diagram of the one-dimensional Hubbard model with an alternating chemical potential

Physical Review B
2005 | Journal article
DOI: 10.1103/PHYSREVB.71.155105
WOSUID: WOS:000228762900036
Contributors: Otsuka, H; Nakamura, M
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Level spectroscopy of the square-lattice three-state Potts model with a ferromagnetic next-nearest-neighbor coupling

Physical Review E
2005 | Journal article
DOI: 10.1103/PHYSREVE.72.046103
WOSUID: WOS:000232931200015
Contributors: Otsuka, H; Mori, K; Okabe, Y; Nomura, K
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Two-dimensional Ising criticality in interacting electron systems

Physica B: Condensed Matter
2005 | Journal article
DOI: 10.1016/J.PHYSB.2005.01.439
WOSUID: WOS:000229654400457
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Crossover behavior of the frustrated quantum spin chain in a staggered magnetic field

Journal of Magnetism and Magnetic Materials
2004 | Journal article
DOI: 10.1016/J.JMMM.2003.12.682
WOSUID: WOS:000222236700081
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Phase diagram of the square-lattice three-state Potts antiferromagnet with a staggered polarization field

Physical Review Letters
2004 | Journal article
DOI: 10.1103/PHYSREVLETT.93.120601
WOSUID: WOS:000223923800014
Contributors: Otsuka, H; Okabe, Y
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Quarter-filled extended Hubbard model with alternating transfer integral: Two-dimensional Ising transition in the ground state

Physical Review B
2004 | Journal article
DOI: 10.1103/PHYSREVB.70.073105
WOSUID: WOS:000223716600005
Contributors: Otsuka, H; Nakamura, M
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Bond spin-density-wave phase in the staggered magnetic field

Physica B: Condensed Matter
2003 | Journal article
DOI: 10.1016/S0921-4526(02)02202-0
WOSUID: WOS:000183802700275
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Crossover behavior of the <math display="inline"> <mrow> <msub> <mrow> <mi>J</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> </mrow> <mrow> <msub> <mrow> <mo>−</mo> <mi>J</mi> </mrow> <mrow> <mn>2</mn> </mrow> </msub> </mrow> </math> model in a staggered magnetic field

Physical Review B
2002 | Journal article
DOI: 10.1103/PHYSREVB.66.172411
WOSUID: WOS:000179611700012
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Extended cluster algorithm in quantum simulations

Physical Review B
2001 | Journal article
DOI: 10.1103/PHYSREVB.64.020406
WOSUID: WOS:000169835700011
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Global structure of ground-state phase diagrams in the one-dimensional anisotropic extended Hubbard model

Physical Review B
2001 | Journal article
DOI: 10.1103/PHYSREVB.63.125111
WOSUID: WOS:000167806600039
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Phase diagrams of the one-dimensional anisotropic extended Hubbard model

Computer Physics Communications
2001 | Journal article
DOI: 10.1016/S0010-4655(01)00323-X
WOSUID: WOS:000173099200035
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Ground States of the One-Dimensional Anisotropic Extended Hubbard Model

Physical Review Letters
2000 | Journal article
DOI: 10.1103/PHYSREVLETT.84.5572
WOSUID: WOS:000087522200029
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Quantum Phase Transitions in One-Dimensional Peierls-Hubbard Model with Next-Nearest-Neighbor Hopping Integrals

Progress of Theoretical Physics Supplement
2000 | Journal article
DOI: 10.1143/PTPS.138.139
WOSUID: WOS:000086891100037
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Quantum phase transitions of the one-dimensional Peierls-Hubbard model with next-nearest-neighbor hopping integrals

Physical Review B
1998 | Journal article
DOI: 10.1103/PHYSREVB.57.14658
WOSUID: WOS:000074273500024
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Critical properties of the dimerization transition in the Peierls-Hubbard model

Physical Review B
1997 | Journal article
DOI: 10.1103/PHYSREVB.56.15609
WOSUID: WOS:000071251000022
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Density-matrix renormalization-group study of the spin-½ <math display="inline"> <mi>XXZ</mi> </math> antiferromagnet on the Bethe lattice

Physical Review B
1996 | Journal article
DOI: 10.1103/PHYSREVB.53.14004
WOSUID: WOS:A1996UQ72600009
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Gap-formation mechanism of the Kondo-necklace model

Physical Review B
1995 | Journal article
DOI: 10.1103/PHYSREVB.52.15066
WOSUID: WOS:A1995TK97900011
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Thermodynamic properties of the Δ-chain model in a uniform magnetic field

Physical Review B
1995 | Journal article
DOI: 10.1103/PHYSREVB.51.305
WOSUID: WOS:A1995QB37700039
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Ground-state properties of the half-filled Kondo lattice model: A numerical study

Physical Review B
1994 | Journal article
DOI: 10.1103/PHYSREVB.49.1557
WOSUID: WOS:A1994MW69400001
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Variational Monte Carlo Studies of the Hubbard Model in One- and Two-Dimensions –Off-Diagonal Intersite Correlation Effects–

Journal of the Physical Society of Japan
1992 | Journal article
DOI: 10.1143/JPSJ.61.1645
WOSUID: WOS:A1992HX56900035
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Dynamical Propertiesof the One-Dimensional Hubbard Model–A Numerical Study–

Journal of the Physical Society of Japan
1991 | Journal article
DOI: 10.1143/JPSJ.60.3754
WOSUID: WOS:A1991GT50000030
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Charge Susceptibility of the Two-Dimensional Hubbard Model near the Half-Filled Band -A Monte Carlo Study-

Journal of the Physical Society of Japan
1990 | Journal article
DOI: 10.1143/JPSJ.59.2916
WOSUID: WOS:A1990DU90700038
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A Temperature Shift Method in Canonical Molecular Dynamics

Journal of the Physical Society of Japan
1989 | Journal article
DOI: 10.1143/JPSJ.58.1207
WOSUID: WOS:A1989U870300014
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