• two-dimensional square lattice Ising model is a simple lattice model of interacting magnetic spins, an example of the class of Ising models. The model is notable...
    15 KB (2,664 words) - 18:46, 10 June 2025
  • Thumbnail for Ising model
    two-dimensional square-lattice Ising model is one of the simplest statistical models to show a phase transition. Though it is a highly simplified model of a magnetic...
    88 KB (13,240 words) - 00:12, 11 June 2025
  • the Potts model, a generalization of the Ising model, is a model of interacting spins on a crystalline lattice. By studying the Potts model, one may gain...
    23 KB (3,645 words) - 09:43, 26 February 2025
  • Kramers–Wannier duality (category Lattice models)
    the free energy of a two-dimensional square-lattice Ising model at a low temperature to that of another Ising model at a high temperature. It was discovered...
    12 KB (1,891 words) - 06:48, 31 May 2025
  • simplest models that shows a phase transition. Lars Onsager famously calculated exactly the free energy of an infinite-sized square-lattice Ising model at zero...
    23 KB (2,828 words) - 20:30, 29 November 2024
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    in physical materials as other lattices, it can still provide useful insight. The Ising model is a mathematical model of ferromagnetism, in which the...
    11 KB (1,950 words) - 12:43, 2 June 2025
  • Baxter in the zero-field case. As with the ice-type models, the eight-vertex model is a square lattice model, where each state is a configuration of arrows...
    9 KB (1,704 words) - 15:58, 8 May 2025
  • found for a few toy models. Some examples include the Bethe ansatz, square-lattice Ising model in zero field, hard hexagon model. Although some problems...
    43 KB (5,068 words) - 08:53, 3 June 2025
  • XY model (sometimes also called classical rotor (rotator) model or O(2) model) is a lattice model of statistical mechanics. In general, the XY model can...
    31 KB (4,861 words) - 23:31, 19 June 2025
  • quantum mechanically. It is related to the prototypical Ising model, where at each site of a lattice, a spin σ i ∈ { ± 1 } {\displaystyle \sigma _{i}\in \{\pm...
    16 KB (2,733 words) - 03:57, 2 June 2025
  • 1D Ising model, which is already solved by Ising himself. He then computed the transfer matrix of the "Ising ladder", meaning two 1D Ising models side-by-side...
    23 KB (2,216 words) - 05:47, 23 May 2025
  • {\displaystyle Z_{N}} model (also known as the clock model) is a simplified statistical mechanical spin model. It is a generalization of the Ising model. Although...
    5 KB (1,047 words) - 05:09, 1 May 2024
  • theory via the Ising model. The Kramers–Wannier duality yields the exact location of the critical point for the Ising model on the square lattice. Wannier received...
    5 KB (463 words) - 14:33, 30 November 2024
  • Thumbnail for Vertex model
    atom or particle). This contrasts with a nearest-neighbour model, such as the Ising model, in which the energy, and thus the Boltzmann weight of a statistical...
    10 KB (1,889 words) - 17:44, 29 August 2023
  • Glauber dynamics (category Spin models)
    simulate the Ising model (a model of magnetism) on a computer. The algorithm is named after Roy J. Glauber. The Ising model is an abstract model for the magnetic...
    6 KB (889 words) - 12:27, 13 June 2025
  • frequently employed to study lattice models, including the Hubbard model, Ising model, Heisenberg model, t-J model, and SYK model. After determining the eigenstates...
    11 KB (1,281 words) - 14:55, 10 November 2024
  • On a square lattice, symmetries guarantee that the coefficients Zi of the derivative terms are all equal. But even for an anisotropic Ising model, where...
    35 KB (6,317 words) - 01:09, 11 June 2025
  • Thumbnail for Percolation threshold
    (percolation) first occurs. The most common percolation model is to take a regular lattice, like a square lattice, and make it into a random network by randomly...
    239 KB (15,635 words) - 18:07, 9 June 2025
  • Thumbnail for Percolation theory
    the Fortuin–Kasteleyn random cluster model, which has many connections with the Ising model and other Potts models. Bernoulli (bond) percolation on complete...
    26 KB (3,133 words) - 05:14, 12 April 2025
  • Thumbnail for Domino tiling
    Domino tiling (redirect from Dimer model)
    of the fully-frustrated Ising model on a two-dimensional periodic lattice. At the ground state, each plaquette of the spin model must contain exactly one...
    13 KB (1,509 words) - 01:15, 22 June 2025
  • Thumbnail for Spin glass
    Ising model. In this model, we have spins arranged on a d {\displaystyle d} -dimensional lattice with only nearest neighbor interactions. This model can...
    37 KB (4,932 words) - 18:51, 28 May 2025
  • Thumbnail for Quantum chromodynamics
    Toulouse, G. (1977). "Theory of the frustration effect. II. Ising spins on a square lattice". Journal of Physics C: Solid State Physics. 10 (18): 537....
    45 KB (5,927 words) - 15:48, 26 May 2025
  • the Ising model lattice. So this anomalous dimension in the conformal field theory is the same as a particular critical exponent of the Ising model phase...
    32 KB (4,486 words) - 01:39, 2 June 2025
  • This model is a directed variant of ordinary (isotropic) percolation and can be introduced as follows. The figure shows a tilted square lattice with bonds...
    10 KB (1,135 words) - 17:39, 4 April 2024
  • statistical lattice models 8-vertex model Gaudin model Ising model in 1- and 2-dimensions Ice-type model of Lieb Quantum Heisenberg model Hitchin system...
    28 KB (3,407 words) - 13:15, 11 February 2025
  • etc. the random cluster model is a random graph that generalizes and unifies the Ising model, Potts model, and percolation model. It is used to study random...
    13 KB (1,984 words) - 22:47, 13 May 2025
  • studied even before. Early work includes a study of the Ising model on a triangular lattice with nearest-neighbor spins coupled antiferromagnetically...
    30 KB (3,809 words) - 07:09, 2 May 2025
  • dimensions or when exact solutions are known such as the two-dimensional Ising model. The theoretical treatment in generic dimensions requires the renormalization...
    19 KB (2,211 words) - 11:09, 15 November 2024
  • Thumbnail for Truncated square tiling
    Catalan polyhedra and tilings, p288 table) Stephenson, John (1970), "Ising Model with Antiferromagnetic Next-Nearest-Neighbor Coupling: Spin Correlations...
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  • The spherical model is a model of ferromagnetism similar to the Ising model, which was solved in 1952 by T. H. Berlin and M. Kac. It has the remarkable...
    5 KB (887 words) - 09:52, 28 May 2025