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Ising-Model, Block-Spin Distributions by the Markov Property Method

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Abstract

The idea that near the critical point each block of spins behaves just like a single big spin is investigated. The case where a diamond-shaped block of spins is embedded in a (small) sea of spins is studied. Use is made of the Markov property method to make exact computations of the various spin moments needed to test this hypothesis. The residual fluctuation about the mean value of the block spin is seen to tend to a finite fraction of the length of the mean block-spin. This result is in line with previous studies which used different types of boundary conditions.

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Authors and Affiliations

  1. Theoretical Division, Los Alamos National Laboratory, University of California, Los Alamos, New Mexico, 87545

    George A. Baker Jr.

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  1. George A. Baker Jr.
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Baker, G.A. Ising-Model, Block-Spin Distributions by the Markov Property Method. Journal of Statistical Physics 93, 573–582 (1998). https://doi.org/10.1023/B:JOSS.0000033242.95755.4e

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  • DOI: https://doi.org/10.1023/B:JOSS.0000033242.95755.4e

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