Relationship between Heider links and Ising spins
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
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| _version_ | 1866910127050719232 |
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| author | Burda, Zdzisław Wołoszyn, Maciej Malarz, Krzysztof Kułakowski, Krzysztof |
| author_facet | Burda, Zdzisław Wołoszyn, Maciej Malarz, Krzysztof Kułakowski, Krzysztof |
| contents | We show that the Heider model with an external field is equivalent, in the limit of structural balance, to the Ising model with nearest-neighbor interactions without an external field. More precisely, we claim that the signs of the Heider relations that maintain structural equilibrium in the system can be represented as nearest neighbor Ising spin products. We demonstrate this explicitly for a complete graph and provide a general argument for an arbitrary graph. A consequence of the equivalence is that the system of balanced Heider states undergoes a phase transition, inherited from the Ising model, at a critical value of the social field at which the fluctuations of edge magnetization are maximal. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_02644 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Relationship between Heider links and Ising spins Burda, Zdzisław Wołoszyn, Maciej Malarz, Krzysztof Kułakowski, Krzysztof Statistical Mechanics We show that the Heider model with an external field is equivalent, in the limit of structural balance, to the Ising model with nearest-neighbor interactions without an external field. More precisely, we claim that the signs of the Heider relations that maintain structural equilibrium in the system can be represented as nearest neighbor Ising spin products. We demonstrate this explicitly for a complete graph and provide a general argument for an arbitrary graph. A consequence of the equivalence is that the system of balanced Heider states undergoes a phase transition, inherited from the Ising model, at a critical value of the social field at which the fluctuations of edge magnetization are maximal. |
| title | Relationship between Heider links and Ising spins |
| topic | Statistical Mechanics |
| url | https://arxiv.org/abs/2512.02644 |