The Ising model (or Lenz–Ising model), named after the physicists Ernst Ising and Wilhelm Lenz, is a mathematical model of ferromagnetism in statistical...
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The transverse field Ising model is a quantum version of the classical Ising model. It features a lattice with nearest neighbour interactions determined...
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Ernst Ising (German: [ˈiːzɪŋ]; May 10, 1900 – May 11, 1998) was a German physicist, who is best remembered for the development of the Ising model. He was...
11 KB (1,185 words) - 16:47, 23 May 2025
Universality class (redirect from Ising critical exponents)
will be the same for all models in the class. Some well-studied universality classes are the ones containing the Ising model or the percolation theory...
19 KB (1,728 words) - 20:04, 19 June 2025
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 for...
15 KB (2,664 words) - 18:46, 10 June 2025
Mean-field theory (redirect from Mean-field model)
some simple cases (e.g. certain Gaussian random-field theories, the 1D Ising model). Often combinatorial problems arise that make things like computing...
18 KB (2,966 words) - 12:54, 12 June 2025
104. ISBN 978-3-527-60686-3. "Ising model". nlab-pages.s3.us-east-2.amazonaws.com. Retrieved 2022-01-12. "The Ising Model". stanford.edu. Retrieved 2022-01-12...
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Social physics (section Ising model and voter dynamics)
physics is the relationship of the Ising model and the voting dynamics of a finite population. The Ising model, as a model of ferromagnetism, is represented...
17 KB (1,998 words) - 18:02, 19 June 2025
The Ising model is a prototypical model in statistical physics. The model consists of discrete variables that represent magnetic dipole moments of atomic...
35 KB (6,317 words) - 01:09, 11 June 2025
solutions in some interacting model systems. A classic example of this is the Ising model, which is a widely discussed toy model for the phenomena of ferromagnetism...
23 KB (2,828 words) - 20:30, 29 November 2024
Sherrington–Kirkpatrick model with external field or stochastic Ising model), named after Ludwig Boltzmann, is a spin-glass model with an external field...
29 KB (3,676 words) - 20:14, 28 January 2025
Examples of exactly solvable models are the periodic 1D Ising model, and the periodic 2D Ising model with vanishing external magnetic field, H = 0 , {\displaystyle...
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electrons in the structure and here the Ising model can predict their behaviour with each other. This model is important for solving and understanding...
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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
to explain the physical origin of these phenomena, we shall use the Ising model as a pedagogical example. Consider a 2 D {\displaystyle 2D} square array...
12 KB (1,578 words) - 07:06, 22 April 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
are treated quantum mechanically. It is related to the prototypical Ising model, where at each site of a lattice, a spin σ i ∈ { ± 1 } {\displaystyle...
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\beta }} Hence the critical β of the XY model cannot be smaller than the double of the critical β of the Ising model β c X Y ≥ 2 β c I s {\displaystyle \beta...
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Ginzburg criterion (section Example: Ising model)
through measurable quantities, such as the magnetic susceptibility in the Ising model. It also gives the idea of an upper critical dimension, a dimensionality...
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learning models include support-vector machines, clustering and probabilistic graphical models. Moreover, due to its close connection to Ising models, QUBO...
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chosen randomly from some specified probability distribution. The 1D Ising model of spin glass is usually written as H = − ∑ i = 1 N J i , i + 1 S i S...
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statistical mechanics. The Ising model was developed by Wilhelm Lenz and Ernst Ising in the 1920s as a simple statistical mechanical model of magnets at equilibrium...
90 KB (10,419 words) - 09:51, 27 May 2025
Scale invariance (section The Ising model)
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
antimonide. A simplified but highly useful model of magnetic phase transitions is provided by the Ising model. Phase transitions involving solutions and...
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Lee–Yang theory (section Ising model)
transitions. Originally developed for the Ising model, the theory has been extended and applied to a wide range of models and phenomena, including protein folding...
19 KB (2,935 words) - 18:18, 26 September 2023
anisotropic) next-nearest neighbor Ising model, usually known as the ANNNI model, is a variant of the Ising model. In the ANNNI model, competing ferromagnetic and...
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and modular forms. The Hamiltonian of the zero-field one-dimensional Ising model of 2 N {\displaystyle 2N} spins with periodic boundary conditions can...
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truncated correlations decay algebraically. Heisenberg model (quantum) Ising model Classical XY model Magnetism Ferromagnetism Landau–Lifshitz equation Ishimori...
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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...
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Conformal field theory (section Critical Ising model)
tensor operator).[citation needed] The critical Ising model is the critical point of the Ising model on a hypercubic lattice in two or three dimensions...
42 KB (7,035 words) - 18:33, 19 June 2025