富田 裕介

研究成果

年別の研究成果 1999 2002 2007 2009 2010 2011 2021

• 56 Article
• 5 Conference article
• 1 Paper
• 1 Comment/debate

年別の研究成果

年別の研究成果

検索結果

• 2021

  Inverse renormalization group based on image super-resolution using deep convolutional networks

  Shiina, K., Mori, H., Tomita, Y., Lee, H. K. & Okabe, Y., 2021 12月, In: Scientific Reports. 11, 1, 9617.

  研究成果: Article › 査読

  Open Access

  • Temperature 100%
  • Thermodynamics 84%
  3 被引用数 (Scopus)
• 2020

  Machine-learning study using improved correlation configuration and application to quantum Monte Carlo simulation

  Tomita, Y., Shiina, K., Okabe, Y. & Lee, H. K., 2020 8月, In: Physical Review E. 102, 2, 021302.

  研究成果: Article › 査読

  • Quantum Monte Carlo 100%
  • XY Model 90%
  • machine learning 72%
  • Machine Learning 62%
  • Monte Carlo Simulation 49%
  5 被引用数 (Scopus)

• Nonequilibrium-relaxation approach to quantum phase transitions: Nontrivial critical relaxation in cluster-update quantum Monte Carlo

  Nonomura, Y. & Tomita, Y., 2020 3月, In: Physical Review E. 101, 3, 032105.

  研究成果: Article › 査読

  • Quantum Phase Transition 100%
  • Quantum Monte Carlo 88%
  • Non-equilibrium 61%
  • Update 49%
  • Heisenberg Model 31%
  2 被引用数 (Scopus)

• Temperature scaling in nonequilibrium relaxation in three-dimensional Heisenberg model in the Swendsen-Wang and Metropolis algorithms

  Nonomura, Y. & Tomita, Y., 2020 11月 17, In: Physical Review E. 102, 5, 052118.

  研究成果: Article › 査読

  • Heisenberg Model 100%
  • Metropolis Algorithm 93%
  • Non-equilibrium 78%
  • Scaling 55%
  • Three-dimensional 46%
• 2018

  Critical nonequilibrium cluster-flip relaxations in Ising models

  Tomita, Y. & Nonomura, Y., 2018 11月 12, In: Physical Review E. 98, 5, 052110.

  研究成果: Article › 査読

  • Non-equilibrium 100%
  • Ising Model 95%
  • Flip 94%
  • Ising model 82%
  • critical point 49%
  2 被引用数 (Scopus)

• Measurement of entanglement entropy in the two-dimensional Potts model using wavelet analysis

  Tomita, Y., 2018 5月 21, In: Physical Review E. 97, 5, 052128.

  研究成果: Article › 査読

  • Wavelet Analysis 100%
  • Potts Model 99%
  • Entanglement 97%
  • Model Analysis 96%
  • wavelet analysis 90%
  1 被引用数 (Scopus)
• 2017

  Ordering phenomena in a heterostructure of frustrated and unfrustrated triangular-lattice Ising layers

  Žukovič, M., Tomita, Y. & Kamiya, Y., 2017 7月 24, In: Physical Review E. 96, 1, 012145.

  研究成果: Article › 査読

  • Heterostructures 100%
  • Triangular Lattice 76%
  • Ising 73%
  • crossovers 52%
  • transition points 31%
  3 被引用数 (Scopus)

• Relaxational processes in the one-dimensional diluted Ising model with long-range interactions

  Tomita, Y., 2017 4月 26, In: Ferroelectrics. 511, 1, p. 35-41 7 p.

  研究成果: Article › 査読

  • Ising Model 100%
  • Ising model 99%
  • Autocorrelation Function 92%
  • Dilution 68%
  • Autocorrelation 66%
• 2016

  Nonequilibrium behaviors of the three-dimensional Heisenberg model in the Swendsen-Wang algorithm

  Nonomura, Y. & Tomita, Y., 2016 1月 4, In: Physical Review E. 93, 1, 012101.

  研究成果: Article › 査読

  • Heisenberg Model 100%
  • Non-equilibrium 78%
  • 3D Model 61%
  • exponents 49%
  • Critical Exponents 46%
  4 被引用数 (Scopus)

• Relaxational processes in the one-dimensional Ising model with long-range interactions

  Tomita, Y., 2016 12月 28, In: Physical Review E. 94, 6, 062142.

  研究成果: Article › 査読

  • Long-range Interactions 100%
  • Droplet 91%
  • One-dimensional Model 82%
  • Ising Model 80%
  • Ising model 69%
  1 被引用数 (Scopus)
• 2015

  Critical nonequilibrium relaxation in the Swendsen-Wang algorithm in the Berezinsky-Kosterlitz-Thouless and weak first-order phase transitions

  Nonomura, Y. & Tomita, Y., 2015 12月 10, In: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 92, 6, 062121.

  研究成果: Article › 査読

  • First-order Phase Transition 100%
  • Non-equilibrium 74%
  • Phase Transition 52%
  • Potts Model 39%
  • XY Model 32%
  7 被引用数 (Scopus)
• 2014

  Effect of magnetoelastic coupling on spin-glass behavior in Heisenberg pyrochlore antiferromagnets with bond disorder

  Shinaoka, H., Tomita, Y. & Motome, Y., 2014 10月 15, In: Physical Review B - Condensed Matter and Materials Physics. 90, 16, 165119.

  研究成果: Article › 査読

  • Spin glass 100%
  • spin glass 60%
  • Curie-Weiss Temperature 51%
  • Disorder 50%
  • Electron Spin 49%
  14 被引用数 (Scopus)

• Finite-size scaling analysis of pseudocritical region in two-dimensional continuous-spin systems

  Tomita, Y., 2014 9月 10, In: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 90, 3, 032109.

  研究成果: Article › 査読

  • Finite-size Scaling 100%
  • Correlation Length 92%
  • Critical Behavior 85%
  • Spin Systems 85%
  • Continuous System 72%
  12 被引用数 (Scopus)

• Incommensurate short-range order in S = 1 triangular lattice ising antiferromagnet

  Tomita, Y. & Žukoviè, M., 2014 8月 15, In: journal of the physical society of japan. 83, 8, 083001.

  研究成果: Article › 査読

  • frustration 100%
  • integers 43%
  • interactions 35%
  • causes 27%
  • simulation 17%
  4 被引用数 (Scopus)
• 2013

  Relaxor behavior and morphotropic phase boundary in a simple model

  Tomita, Y. & Kato, T., 2013 6月, In: journal of the physical society of japan. 82, 6, 063002.

  研究成果: Article › 査読

  • dipoles 100%
  • dipole moments 61%
  • disorders 52%
  • retarding 51%
  • anisotropy 43%
  6 被引用数 (Scopus)

• Response to a twist in systems with Z_p symmetry: The two-dimensional p-state clock model

  Kumano, Y., Hukushima, K., Tomita, Y. & Oshikawa, M., 2013 9月 30, In: Physical Review B - Condensed Matter and Materials Physics. 88, 10, 104427.

  研究成果: Article › 査読

  • Helicity 100%
  • clocks 81%
  • Clocks 68%
  • symmetry 47%
  24 被引用数 (Scopus)
• 2011

  Critical and glassy phases in non-disordered antiferromagnetic heisenberg model on triangular lattice

  Tomita, Y. & Kawashima, N., 2011 5月, In: journal of the physical society of japan. 80, 5, 054001.

  研究成果: Article › 査読

  • interactions 100%
  • simulation 96%
  1 被引用数 (Scopus)

• Critical and Glassy Phases in Non-Disordered Antiferromagnwtic Heisenberg Model on Trianguar Lattice

  Tomita, Y., 2011 4月 25, In: Journal of the Physical Society of Japan. 80, p. 054001-1-054001-5

  研究成果: Article › 査読

• Numerical Study of Pb(In1/2Nb1)3 by Spin Model

  Tomita, Y., 2011 7月 26, In: Default journal.

  研究成果: Article › 査読

• Spin-glass transition in bond-disordered heisenberg antiferromagnets coupled with local lattice distortions on a pyrochlore lattice

  Shinaoka, H., Tomita, Y. & Motome, Y., 2011 7月 20, In: Physical Review Letters. 107, 4, 047204.

  研究成果: Article › 査読

  • spin glass 100%
  • glass transition temperature 23%
  • disorders 18%
  • simulation 9%
  34 被引用数 (Scopus)
• 2010

  A spin glass model without randomness

  Tomita, Y., 2010 7月 19, In: Default journal.

  研究成果: Article › 査読

• Experiment and theory of Pb(In_1/2Nb_1/2)O₃: Antiferroelectric, ferroelectric, or relaxor state depending on perovskite B-site randomness

  Ohwada, K. & Tomita, Y., 2010 1月, In: journal of the physical society of japan. 79, 1, 011012.

  研究成果: Article › 査読

  • perovskites 100%
  • phase diagrams 31%
  • permittivity 27%
  • anisotropy 25%
  • interactions 15%
  23 被引用数 (Scopus)

• Experiment and Theory of Pb(In1/2Nb1/2)O3:Antiferroelectric,Ferroelectric,orRelaxor State Depending on Pervskite

  Ohwada, K. & Tomita, Y., 2010 1月 12, In: Journal of the Physical Society of Japan. 79, p. 011012-1-011012-10

  研究成果: Article › 査読

• Finite-temperature phase transition to the m= 1 2 plateau phase in the spin- 1 2 XXZ model on the Shastry-Sutherland lattices

  Suzuki, T., Tomita, Y., Kawashima, N. & Sengupta, P., 2010 12月 2, In: Physical Review B - Condensed Matter and Materials Physics. 82, 21, 214404.

  研究成果: Article › 査読

  • Phase transitions 100%
  • plateaus 90%
  • Magnetization 90%
  • Exchange Anisotropy 59%
  • Superconducting transition temperature 52%
  22 被引用数 (Scopus)

• Monte Carlo study of relaxor systems: A minimum model of Pb(In _1/2Nb_1/2)O₃

  Tomita, Y., Kato, T. & Hirota, K., 2010 2月, In: journal of the physical society of japan. 79, 2, 023001.

  研究成果: Article › 査読

  • dipoles 100%
  • interactions 53%
  • phase diagrams 52%
  • anisotropy 43%
  • simulation 25%
  8 被引用数 (Scopus)

• Monte Carlo Study of Relaxor Systems:A Minimum Model of Pb(In1/2Nb1/2)O3

  Tomita, Y., Kato, T. & Hirota, K., 2010 2月 10, In: Journal of the Physical Society of Japan. 79, p. 023001-1-023001-4

  研究成果: Article › 査読
• 2009

  A mean-field approach to a discrete dipolar spin model with uniaxial magnetic anisotropy

  Tomita, Y., Yanai, S. & Takayama, H., 2009 9月, In: International Journal of Modern Physics C. 20, 9, p. 1335-1343 9 p.

  研究成果: Article › 査読

  • Magnetic anisotropy 100%
  • Spin Models 85%
  • Anisotropy 70%
  • Mean Field 69%
  • Discrete Model 66%

• Magnetic properties of the spin-1/2XXZ model on the Shastry-Sutherland lattice:Effect of long-range interactions

  Tomita, Y., 2009 11月 5, In: Physical Review B. 80, p. 180405(R)--180405(R)-

  研究成果: Article › 査読

• Magnetic properties of the spin-12 XXZ model on the Shastry-Sutherland lattice: Effect of long-range interactions

  Suzuki, T., Tomita, Y. & Kawashima, N., 2009 11月 5, In: Physical Review B - Condensed Matter and Materials Physics. 80, 18, 180405.

  研究成果: Article › 査読

  • Magnetic properties 100%
  • Magnetization 97%
  • Magnetic Property 66%
  • Ising model 64%
  • magnetic properties 57%
  30 被引用数 (Scopus)

• Monte Carlo study of one-dimensional ising models with long-range interactions

  Tomita, Y., 2009 1月 1, In: Journal of the Physical Society of Japan. 78, 1, 014002.

  研究成果: Article › 査読

  • Ising model 100%
  • interactions 39%
  • temperature 14%
  11 被引用数 (Scopus)

• Monte Carlo Study of Two-Dimensional Heisenburg Dipolar Lattices

  Tomita, Y., 2009 11月 10, In: Journal of the Physical Society of Japan. 78, p. 114004-1-114004-9

  研究成果: Article › 査読
• 2008

  Monte Carlo Study of One-Dimensional Ising Models with Long-Range Interacitons

  Tomita, Y., 2008 12月 25, In: Journal of the Physical Society of Japan. 78, p. 014002-1-014002-7

  研究成果: Article › 査読
• 2007

  Finite dipolar hexagonal columns on piled layers of triangular lattice

  Matsushita, K., Sugano, R., Kuroda, A., Tomita, Y. & Takayama, H., 2007 3月, In: Journal of Magnetism and Magnetic Materials. 310, 2 SUPPL. PART 2, p. 1416-1418 3 p.

  研究成果: Article › 査読

  • Size Effect 100%
  • Magnetic nanoparticles 89%
  • Magnetic Nanoparticle 87%
  • Hexagonal Space Group 69%
  • Column Like Crystal 52%
  1 被引用数 (Scopus)

• Magnetic properties of two-dimensional dipolar squares: Boundary geometry dependence

  Sugano, R., Matsushita, K., Kuroda, A., Tomita, Y. & Takayama, H., 2007 4月, In: journal of the physical society of japan. 76, 4, 044705.

  研究成果: Article › 査読

  • magnetic properties 100%
  • geometry 80%
  • dipoles 78%
  • freezing 72%
  • ground state 70%
  3 被引用数 (Scopus)

• Magnetic Properties of Two-Dimensional Diporal Squares:Boundary Geometry Dependence

  Tomita, Y., 2007 3月 26, In: Journal of the Physival Society of Japan. 76, p. 044705-044705-9

  研究成果: Article › 査読

• Spin melting and refreezing driven by uniaxial compression on a dipolar hexagonal plate

  Matsushita, K., Sugano, R., Kuroda, A., Tomita, Y. & Takayama, H., 2007 4月 11, In: Journal of Physics Condensed Matter. 19, 14, 145206.

  研究成果: Article › 査読

  • Ground state 100%
  • Melting 94%
  • Electron Spin 83%
  • Plate Like Crystal 78%
  • Hexagonal Space Group 78%

• Spin-melting and refreezing driven by uniaxial compression on a dipolar hexagonal plate

  K.Matsushita, K. M., R.sugano, R. S., A.Kuroda, A. K., Y.Tomita, Y. T., H.Takayama, H. T. & Tomita, Y., 2007 3月 23, In: Journal of Physics:Condensed Matter. 19, p. 145206-1-145206-5

  研究成果: Article › 査読
• 2005

  Peculiar 'from-edge-to-interior' spin freezing in a magnetic dipolar cube

  Matsushita, K., Sugano, R., Kuroda, A., Tomita, Y. & Takayama, H., 2005 10月, In: journal of the physical society of japan. 74, 10, p. 2651-2654 4 p.

  研究成果: Article › 査読

  • freezing 100%
  • dipoles 72%
  • cubic lattices 28%
  • transition temperature 19%
  • interactions 19%
  5 被引用数 (Scopus)

• Peculiar'from-Edge-to-Interior'Spin Freezing in a Magntic Dipolar Cube

  K.Matsyshita, K. M., R.sugano, R. S., A.Kuroda, A. K., Y.Tomita, Y. T., H.Takayama, H. T. & Tomita, Y., 2005 5月 27, In: Journal of the Physical Society of Japan. 74, p. 2651-2654

  研究成果: Article › 査読
• 2004

  Study of the fully frastrated clock model using the Wang-Landau algorithm

  Surungan, T., Okabe, Y., Yusuke, Y. & Tomita, T., 2004 3月 23, In: Journal of Physics A:Mathematical and General. 37, p. 4219-4230

  研究成果: Article › 査読

• Study of the fully frustrated clock model using the Wang-Landau algorithm

  Surungan, T., Okabe, Y. & Tomita, Y., 2004 4月 9, In: Journal of Physics A: Mathematical and General. 37, 14, p. 4219-4230 12 p.

  研究成果: Article › 査読

  • clocks 100%
  • Clocks 84%
  • Phase Transition 67%
  • Exponent 52%
  • Finite-size Scaling 51%
  19 被引用数 (Scopus)
• 2003

  Novel Monte Carlo algorithms and their applications

  Okabe, Y., Tomita, Y. & Yamaguchi, C., 2003 4月 1, In: Physica A: Statistical Mechanics and its Applications. 321, 1-2, p. 340-350 11 p.

  研究成果: Article › 査読

  • Cluster Algorithm 100%
  • Monte Carlo Algorithm 71%
  • Bond number 54%
  • Ensemble Methods 32%
  • Finite-size Scaling 29%
  2 被引用数 (Scopus)
• 2002

  Application of new Monte Carlo algorithms to random spin systems

  Okabe, Y., Tomita, Y. & Yamaguchi, C., 2002 6月 15, In: Computer Physics Communications. 146, 1, p. 63-68 6 p.

  研究成果: Article › 査読

  • Ising model 100%
  • critical point 57%
  • critical temperature 56%
  • Spin glass 53%
  • spin glass 32%
  25 被引用数 (Scopus)

• Finite-size scaling of correlation ratio and generalized scheme for the probability-changing cluster algorithm

  Tomita, Y. & Okabe, Y., 2002 11月 1, In: Physical Review B - Condensed Matter and Materials Physics. 66, 18, p. 1804011-1804014 4 p., 180401.

  研究成果: Article › 査読

  • Superconducting transition temperature 100%
  • scaling 64%
  • Molecular Cluster 59%
  • Correlation Function 30%
  • estimators 19%
  30 被引用数 (Scopus)

• Finite-size scaling of correlation ratio and generalized scheme for the probability-changing cluster algorithm

  Tomita, Y. & Okabe, Y., 2002, In: Physical Review B - Condensed Matter and Materials Physics. 66, 18, p. 1-4 4 p.

  研究成果: Article › 査読

  • Superconducting transition temperature 100%
  • scaling 64%
  • Molecular Cluster 59%
  • Correlation Function 30%
  • estimators 19%
  10 被引用数 (Scopus)

• Funite-size scaling of corrlation ratio and generalized scheme for the probability-changing cluster aogorithm

  Tomita, Y. & Okabe, Y., 2002 11月 7, In: Physical ReviewB. 66, p. 180401(R)--180401(R

  研究成果: Article › 査読

• Probability-Changing Cluster Algorithm: Study of Three-Dimensional Ising Model and Percolation Problem

  Tomita, Y. & Okabe, Y., 2002 6月, In: journal of the physical society of japan. 71, 6, p. 1570-1575 6 p.

  研究成果: Article › 査読

  • Ising model 100%
  • critical point 45%
  • exponents 19%
  • tuning 18%
  • scaling 17%
  15 被引用数 (Scopus)

• Probability-changing cluster algorithm for two-dimensional (formula presented) and clock models

  Tomita, Y. & Okabe, Y., 2002, In: Physical Review B - Condensed Matter and Materials Physics. 65, 18, p. 1-5 5 p.

  研究成果: Article › 査読

  • clocks 100%
  • Clocks 84%
  • Molecular Cluster 64%
  • Wolff Rearrangement 36%
  • Superconducting transition temperature 36%
  18 被引用数 (Scopus)

• Probability-changing cluster algorithm for two-dimensional XY and clock models

  Tomita, Y. & Okabe, Y., 2002 5月 1, In: Physical Review B - Condensed Matter and Materials Physics. 65, 18, p. 1844051-1844055 5 p., 184405.

  研究成果: Article › 査読

  • clocks 100%
  • Clocks 84%
  • Molecular Cluster 64%
  • Wolff Rearrangement 36%
  • Superconducting transition temperature 36%
  57 被引用数 (Scopus)

• Probability-changing cluster aogorithm for two-dimensional XYand clock models

  Tomita, Y. & Okabe, Y., 2002 4月 12, In: Physical ReviewB. 65, p. 184405-1-184405-5

  研究成果: Article › 査読