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IsingModel

oxilean_std::statistical_mechanics::types

Struct IsingModel 

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pub struct IsingModel {
    pub spins: Vec<Vec<i8>>,
    pub j_coupling: f64,
    pub temperature: f64,
}
Expand description

2D Ising model on an n×n grid with periodic boundary conditions

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§spins: Vec<Vec<i8>>§j_coupling: f64§temperature: f64

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impl IsingModel

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pub fn new(n: usize, j: f64, temp: f64) -> Self

Create an n×n Ising model with a deterministic initial spin pattern

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pub fn energy(&self) -> f64

Total energy E = -J Σ s_i s_j (nearest neighbors, periodic BC)

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pub fn magnetization(&self) -> f64

Magnetization per site |Σ s_i| / N²

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pub fn metropolis_step(&mut self, rng: &mut u64)

One Metropolis-Hastings step: propose flipping a random spin

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