年単位の研究成果
研究成果 1999 2018
- 1 - 50 / 58 件中
- 出版年、タイトル （降順）
2018
Critical nonequilibrium cluster-flip relaxations in Ising models
Tomita, Y. & Nonomura, Y., 2018 11 12, ： : Physical Review E. 98, 5, 052110.研究成果: Article
Ising model
critical point
exponential functions
scaling
Measurement of entanglement entropy in the two-dimensional Potts model using wavelet analysis
Tomita, Y., 2018 5 21, ： : Physical Review E. 97, 5, 052128.研究成果: Article
two dimensional models
wavelet analysis
entropy
configurations
degrees of freedom
2017
Ordering phenomena in a heterostructure of frustrated and unfrustrated triangular-lattice Ising layers
Žukovič, M., Tomita, Y. & Kamiya, Y., 2017 7 24, ： : Physical Review E. 96, 1, 012145.研究成果: Article
crossovers
transition points
interlayers
phase diagrams
exponents
Relaxational processes in the one-dimensional diluted Ising model with long-range interactions
Tomita, Y., 2017 4 26, ： : Ferroelectrics. 511, 1, p. 35-41 7 p.研究成果: Article
Ising model
Autocorrelation
Dilution
decay
interactions
2016
2
引用
(Scopus)
Nonequilibrium behaviors of the three-dimensional Heisenberg model in the Swendsen-Wang algorithm
Nonomura, Y. & Tomita, Y., 2016 1 4, ： : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 93, 1, 012101.研究成果: Article
exponents
scaling
Ising model
critical temperature
decay
1
引用
(Scopus)
Relaxational processes in the one-dimensional Ising model with long-range interactions
Tomita, Y., 2016 12 28, ： : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 94, 6, 062142.研究成果: Article
Ising model
interactions
spin glass
crossovers
decay
2015
3
引用
(Scopus)
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 10, ： : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 92, 6, 062121.研究成果: Article
Ising model
Erratum: Effect of magnetoelastic coupling on spin-glass behavior in Heisenberg pyrochlore antiferromagnets with bond disorder (Physical Review B - Condensed Matter and Materials Physics (2014) 90 (165119))
Shinaoka, H., Tomita, Y. & Motome, Y., 2015 5 5, ： : Physical Review B - Condensed Matter and Materials Physics. 91, 19, 199902.研究成果: Article
Spin glass
Physics
pyrochlore
2014
12
引用
(Scopus)
Effect of magnetoelastic coupling on spin-glass behavior in Heisenberg pyrochlore antiferromagnets with bond disorder
Shinaoka, H., Tomita, Y. & Motome, Y., 2014 10 15, ： : Physical Review B - Condensed Matter and Materials Physics. 90, 16研究成果: Article
Spin glass
spin glass
disorders
Curie temperature
magnetic permeability
6
引用
(Scopus)
Finite-size scaling analysis of pseudocritical region in two-dimensional continuous-spin systems
Tomita, Y., 2014 9 10, ： : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 90, 3, 032109.研究成果: Article
scaling
defects
4
引用
(Scopus)
Incommensurate short-range order in S = 1 triangular lattice ising antiferromagnet
Tomita, Y. & Žukoviè, M., 2014 8 15, ： : Journal of the Physical Society of Japan. 83, 8, 083001.研究成果: Article
frustration
integers
interactions
causes
simulation
2013
5
引用
(Scopus)
Relaxor behavior and morphotropic phase boundary in a simple model
Tomita, Y. & Kato, T., 2013 6, ： : Journal of the Physical Society of Japan. 82, 6, 063002.研究成果: Article
dipoles
dipole moments
retarding
disorders
anisotropy
10
引用
(Scopus)
Response to a twist in systems with Zp symmetry: The two-dimensional p-state clock model
Kumano, Y., Hukushima, K., Tomita, Y. & Oshikawa, M., 2013 9 30, ： : Physical Review B - Condensed Matter and Materials Physics. 88, 10, 104427.研究成果: Article
clocks
Clocks
symmetry
2012
4
引用
(Scopus)
Critical property of spin-glass transition in a bond-disordered classical antiferromagnetic Heisenberg model with a biquadratic interaction
Shinaoka, H., Tomita, Y. & Motome, Y., 2012, ： : Journal of Physics: Conference Series. 400, PART 3, 032087.研究成果: Article
spin glass
interactions
exponents
magnets
transition temperature
2011
1
引用
(Scopus)
Critical and glassy phases in non-disordered antiferromagnetic heisenberg model on triangular lattice
Tomita, Y. & Kawashima, N., 2011 5, ： : Journal of the Physical Society of Japan. 80, 5, 054001.研究成果: Article
simulation
interactions
Critical and Glassy Phases in Non-Disordered Antiferromagnwtic Heisenberg Model on Trianguar Lattice
Tomita, Y., 2011 4 25, ： : Journal of the Physical Society of Japan. 80, p. 054001-1-054001-5研究成果: Article
Critical properties of generalized four-state clock model on square lattices
Suzuki, T., Tomita, Y., Kawashima, N. & Sengupta, P., 2011, ： : Journal of Physics: Conference Series. 320, 012012.研究成果: Article
clocks
plateaus
phase diagrams
topology
transition temperature
2
引用
(Scopus)
Loop algorithm for classical antiferromagnetic Heisenberg models with biquadratic interactions
Shinaoka, H., Tomita, Y. & Motome, Y., 2011, ： : Journal of Physics: Conference Series. 320, 012009.研究成果: Article
interactions
Ising model
ice
simulation
anisotropy
Numerical Study of Pb(In1/2Nb1)3 by Spin Model
Tomita, Y., 2011 7 26, ： : Default journal.研究成果: Article
30
引用
(Scopus)
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 20, ： : Physical Review Letters. 107, 4, 047204.研究成果: Article
spin glass
glass transition temperature
disorders
simulation
2010
17
引用
(Scopus)
Experiment and theory of Pb(In1/2Nb1/2)O3: Antiferroelectric, ferroelectric, or relaxor state depending on perovskite B-site randomness
Ohwada, K. & Tomita, Y., 2010 1, ： : Journal of the Physical Society of Japan. 79, 1, 011012.研究成果: Article
phase diagrams
permittivity
anisotropy
simulation
interactions
Experiment and Theory of Pb(In1/2Nb1/2)O3:Antiferroelectric,Ferroelectric,orRelaxor State Depending on Pervskite
Ohwada, K. & Tomita, Y., 2010 1 12, ： : Journal of the Physical Society of Japan. 79, p. 011012-1-011012-10研究成果: Article
18
引用
(Scopus)
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 2, ： : Physical Review B - Condensed Matter and Materials Physics. 82, 21, 214404.研究成果: Article
plateaus
Phase transitions
Magnetization
magnetization
Superconducting transition temperature
Magnetic properties of S=1/2 antiferromagnetic XXZ model on the Shastry-Sutherland lattices
Suzuki, T., Tomita, Y. & Kawashima, N., 2010, ： : Journal of Physics: Conference Series. 200, SECTION 2, 022060.研究成果: Article
plateaus
magnetic properties
magnetization
transition temperature
saturation
8
引用
(Scopus)
Monte Carlo study of relaxor systems: A minimum model of Pb(In 1/2Nb1/2)O3
Tomita, Y., Kato, T. & Hirota, K., 2010 2, ： : Journal of the Physical Society of Japan. 79, 2, 023001.研究成果: Article
dipoles
phase diagrams
interactions
anisotropy
simulation
Monte Carlo Study of Relaxor Systems:A Minimum Model of Pb(In1/2Nb1/2)O3
Tomita, Y., Kato, T. & Hirota, K., 2010 2 10, ： : Journal of the Physical Society of Japan. 79, p. 023001-1-023001-4研究成果: Article
2009
A mean-field approach to a discrete dipolar spin model with uniaxial magnetic anisotropy
Tomita, Y., Yanai, S. & Takayama, H., 2009 9, ： : International Journal of Modern Physics C. 20, 9, p. 1335-1343 9 p.研究成果: Article
Magnetic anisotropy
anisotropy
retraining
Exchange interactions
interactions
Magnetic properties of the spin-1/2XXZ model on the Shastry-Sutherland lattice:Effect of long-range interactions
Tomita, Y., 2009 11 5, ： : Physical Review B. 80, p. 180405(R)--180405(R)-研究成果: Article
27
引用
(Scopus)
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 5, ： : Physical Review B - Condensed Matter and Materials Physics. 80, 18, 180405.研究成果: Article
Magnetization
Magnetic properties
magnetic properties
Ising model
magnetization
9
引用
(Scopus)
Monte Carlo study of one-dimensional ising models with long-range interactions
Tomita, Y., 2009 1, ： : Journal of the Physical Society of Japan. 78, 1, 014002.研究成果: Article
Ising model
interactions
temperature
Monte Carlo Study of Two-Dimensional Heisenburg Dipolar Lattices
Tomita, Y., 2009 11 10, ： : Journal of the Physical Society of Japan. 78, p. 114004-1-114004-9研究成果: Article
2008
Monte Carlo Study of One-Dimensional Ising Models with Long-Range Interacitons
Tomita, Y., 2008 12 25, ： : Journal of the Physical Society of Japan. 78, p. 014002-1-014002-7研究成果: Article
2007
1
引用
(Scopus)
Finite dipolar hexagonal columns on piled layers of triangular lattice
Matsushita, K., Sugano, R., Kuroda, A., Tomita, Y. & Takayama, H., 2007 3, ： : Journal of Magnetism and Magnetic Materials. 310, 2 SUPPL. PART 2, p. 1416-1418 3 p.研究成果: Article
dipoles
Nanoparticles
nanoparticles
Ground state
Vortex flow
2
引用
(Scopus)
Magnetic properties of two-dimensional dipolar squares: Boundary geometry dependence
Sugano, R., Matsushita, K., Kuroda, A., Tomita, Y. & Takayama, H., 2007 4, ： : Journal of the Physical Society of Japan. 76, 4, 044705.研究成果: Article
magnetic properties
dipoles
geometry
freezing
ground state
Magnetic Properties of Two-Dimensional Diporal Squares:Boundary Geometry Dependence
Tomita, Y., 2007 3 26, ： : Journal of the Physival Society of Japan. 76, p. 044705-044705-9研究成果: Article
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 11, ： : Journal of Physics Condensed Matter. 19, 14, 145206.研究成果: Article
Melting
melting
Freezing
Ground state
freezing
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 23, ： : Journal of Physics:Condensed Matter. 19, p. 145206-1-145206-5研究成果: Article
2005
5
引用
(Scopus)
Peculiar 'from-edge-to-interior' spin freezing in a magnetic dipolar cube
Matsushita, K., Sugano, R., Kuroda, A., Tomita, Y. & Takayama, H., 2005 10, ： : Journal of the Physical Society of Japan. 74, 10, p. 2651-2654 4 p.研究成果: Article
freezing
dipoles
cubic lattices
transition temperature
alignment
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 27, ： : Journal of the Physical Society of Japan. 74, p. 2651-2654研究成果: Article
2004
Study of the fully frastrated clock model using the Wang-Landau algorithm
Surungan, T., Okabe, Y., Yusuke, Y. & Tomita, T., 2004 3 23, ： : Journal of Physics A:Mathematical and General. 37, p. 4219-4230研究成果: Article
17
引用
(Scopus)
Study of the fully frustrated clock model using the Wang-Landau algorithm
Surungan, T., Okabe, Y. & Tomita, Y., 2004 4 9, ： : Journal of Physics A: Mathematical and General. 37, 14, p. 4219-4230 12 p.研究成果: Article
clocks
Clocks
Temperature
exponents
Phase transitions
2003
1
引用
(Scopus)
Novel Monte Carlo algorithms and their applications
Okabe, Y., Tomita, Y. & Yamaguchi, C., 2003 4 1, ： : Physica A: Statistical Mechanics and its Applications. 321, 1-2, p. 340-350 11 p.研究成果: Article
Bond number
histograms
clocks
scaling
2002
24
引用
(Scopus)
Application of new Monte Carlo algorithms to random spin systems
Okabe, Y., Tomita, Y. & Yamaguchi, C., 2002 6 15, ： : Computer Physics Communications. 146, 1, p. 63-68 6 p.研究成果: Article
Ising model
critical point
critical temperature
Spin glass
spin glass
27
引用
(Scopus)
Finite-size scaling of correlation ratio and generalized scheme for the probability-changing cluster algorithm
Tomita, Y. & Okabe, Y., 2002 11 1, ： : Physical Review B - Condensed Matter and Materials Physics. 66, 18, p. 1804011-1804014 4 p., 180401.研究成果: Article
Superconducting transition temperature
scaling
estimators
critical point
transition temperature
5
引用
(Scopus)
Finite-size scaling of correlation ratio and generalized scheme for the probability-changing cluster algorithm
Tomita, Y. & Okabe, Y., 2002 1 1, ： : Physical Review B - Condensed Matter and Materials Physics. 66, 18, p. 1-4 4 p.研究成果: Article
Superconducting transition temperature
scaling
estimators
critical point
transition temperature
Funite-size scaling of corrlation ratio and generalized scheme for the probability-changing cluster aogorithm
Tomita, Y. & Okabe, Y., 2002 11 7, ： : Physical ReviewB. 66, p. 180401(R)--180401(R研究成果: Article
15
引用
(Scopus)
Probability-Changing Cluster Algorithm: Study of Three-Dimensional Ising Model and Percolation Problem
Tomita, Y. & Okabe, Y., 2002 6, ： : Journal of the Physical Society of Japan. 71, 6, p. 1570-1575 6 p.研究成果: Article
Ising model
critical point
tuning
exponents
scaling
9
引用
(Scopus)
Probability-changing cluster algorithm for two-dimensional (formula presented) and clock models
Tomita, Y. & Okabe, Y., 2002 1 1, ： : Physical Review B - Condensed Matter and Materials Physics. 65, 18, p. 1-5 5 p.研究成果: Article
clocks
Clocks
Superconducting transition temperature
Temperature
critical point
52
引用
(Scopus)
Probability-changing cluster algorithm for two-dimensional XY and clock models
Tomita, Y. & Okabe, Y., 2002 5 1, ： : Physical Review B - Condensed Matter and Materials Physics. 65, 18, p. 1844051-1844055 5 p., 184405.研究成果: Article
clocks
Clocks
Superconducting transition temperature
critical point
transition temperature