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相关论文: Ordering of the Heisenberg spin glass in two dimen…

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The ordering of the one-dimensional Heisenberg spin glass interacting via the long-range power-law interaction is studied by Monte Carlo simulations. Particular attention is paid to the possible occurrence of the ``spin-chirality…

无序系统与神经网络 · 物理学 2015-06-25 Akihiro Matsuda , Mitsuru Nakamura , Hikaru Kawamura

Ordering of the Heisenberg spin glass with the nearest-neighbor Gaussian coupling is investigated by equilibrium Monte Carlo simulations in four and five dimensions. Ordering of the mean-field Heisenberg spin-glass is also studied for…

无序系统与神经网络 · 物理学 2009-11-07 Daisuke Imagawa , Hikaru Kawamura

Ordering of the Heisenberg spin glass in four dimensions (4D) with the nearest-neighbor Gaussian coupling is investigated by equilibrium Monte Carlo simulations, with particular attention to its spin and chiral orderings. It is found that…

无序系统与神经网络 · 物理学 2015-08-18 Hikaru Kawamura , Shinichirou Nishikawa

Ordering of the three-dimensional Heisenberg spin glass with Gaussian coupling is studied by extensive Monte Carlo simulations. The model undergoes successive chiral-glass and spin-glass transitions at nonzero temperatures T_{CG} > T_{SG} >…

无序系统与神经网络 · 物理学 2012-01-27 Dao Xuan Viet , Hikaru Kawamura

The nature of the ordering of the one-dimensional Heisenberg spin-glass model with a long-range power-law interaction is studied by extensive Monte Carlo simulations, with particular attention to the issue of the spin-chirality…

无序系统与神经网络 · 物理学 2010-10-13 Dao Xuan Viet , Hikaru Kawamura

The chiral glass behaviour of the nearest-neighbour random-bond XY spin glass in four dimensions is studied by Monte Carlo simulations. A chiral glass transition at $T_{cg}=0.90\pm 0.05$ is found by a finite-size scaling analysis of the…

无序系统与神经网络 · 物理学 2016-08-31 S. Jain

The nature of the ordering of the three-dimensional isotropic Heisenberg spin glass with nearest-neighbor random Gaussian coupling is studied by extensive Monte Carlo simulations. Several independent physical quantities are measured both…

无序系统与神经网络 · 物理学 2013-05-29 Dao Xuan Viet , Hikaru Kawamura

An extensive equilibrium Monte Carlo simulation is performed on the 3D isotropic Heisenberg SG model with the random nearest-neighbor Gaussian coupling, with particular interest in its chiral-glass (CG) and spin-glass (SG) orderings. For…

无序系统与神经网络 · 物理学 2020-01-29 Takumi Ogawa , Kazuki Uematsu , Hikaru Kawamura

The ordering of the three-dimensional isotropic {\it XY} spin glass with the nearest-neighbor random Gaussian coupling is studied by extensive Monte Carlo simulations. To investigate the ordering of the spin and the chirality, we compute…

无序系统与神经网络 · 物理学 2013-06-03 Tomoyuki Obuchi , Hikaru Kawamura

Spin-glass and chiral-glass orderings in three-dimensional Heisenberg spin glasses are studied both by equilibrium and off-equilibrium Monte Carlo simulations. Fully isotropic model is found to exhibit a finite-temperature chiral-glass…

无序系统与神经网络 · 物理学 2009-10-31 H. Kawamura , K. Hukushima

Spin-glass and chiral-glass orderings of a three-dimensional isotropic Heisenberg spin glass are studied both by equilibrium and off-equilibrium Monte Carlo simulations with emphasis on their dynamical aspects. The model is found to exhibit…

无序系统与神经网络 · 物理学 2007-05-23 H. Kawamura , K. Hukushima

Extensive equilibrium Monte Carlo simulations are performed for a three-dimensional Heisenberg spin glass with the nearest-neighbor Gaussian coupling to investigate its spin-glass and chiral-glass orderings. The occurrence of a…

无序系统与神经网络 · 物理学 2009-10-31 K. Hukushima , H. Kawamura

Equilibrium properties of the three-dimensional isotropic Heisenberg spin glass are studied by extensive Monte Carlo simulations, with particular attention to the nature of its phase transition. A finite-size-scaling analysis is performed…

无序系统与神经网络 · 物理学 2013-05-29 K. Hukushima , H. Kawamura

Spin-glass (SG) and chiral-glass (CG) orderings in three dimensional (3D) Heisenberg spin glass with and without magnetic anisotropy are studied by using large-scale off-equilibrium Monte Carlo simulations. A characteristic time of…

无序系统与神经网络 · 物理学 2016-08-31 Mitsuhiro Matsumoto , Koji Hukushima , Hajime Takayama

Spin-glass and chiral-glass orderings in three-dimensional Heisenberg spin glasses are studied with and without randaom magnetic anisotropy by dynamical Monte Carlo simulations. In isotropic case, clear evidence of a finite-temperature…

无序系统与神经网络 · 物理学 2009-10-31 Hikaru Kawamura

We study the correlation length of the two-dimensional Ising spin glass with a Gaussian distribution of interactions, using an efficient Monte Carlo algorithm proposed by Houdayer, that allows larger sizes and lower temperatures to be…

无序系统与神经网络 · 物理学 2007-05-23 Helmut G. Katzgraber , L. W. Lee , A. P. Young

We study the Heisenberg spin glass by large-scale Monte Carlo simulations for sizes up to 32^3, down to temperatures below the transition temperature claimed in earlier work. The data for the larger sizes show more marginal behavior than…

无序系统与神经网络 · 物理学 2009-11-13 L. W. Lee , A. P. Young

The ordering of the three-dimensional Heisenberg spin glass with the weak random anisotropy in magnetic fields is studied by extensive equilibrium Monte Carlo simulations. Both the spin and the chirality are monitored. We find strong…

无序系统与神经网络 · 物理学 2009-11-10 Daisuke Imagawa , Hikaru Kawamura

We study the ordering of the spin and the chirality in the fully frustrated XY model on a square lattice by extensive Monte Carlo simulations. Our results indicate unambiguously that the spin and the chirality exhibit separate phase…

统计力学 · 物理学 2015-05-19 Soichirou Okumura , Hajime Yoshino , Hikaru Kawamura

Recent studies on the spin and the chirality orderings of the three-dimensional Heisenberg spin glass and related systems are reviewed with particular emphasis on the possible spin-chirality decoupling phenomena. Chirality scenario of real…

无序系统与神经网络 · 物理学 2009-11-11 Hikaru Kawamura
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