The random field Ising chain domain-wall structure in the large interaction limit
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arXiv
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| Format: | Preprint |
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2024
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| author | Collin, Orphée Giacomin, Giambattista Hu, Yueyun |
| author_facet | Collin, Orphée Giacomin, Giambattista Hu, Yueyun |
| contents | We study the configurations of the nearest neighbor Ising ferromagnetic chain with IID centered and square integrable external random field in the limit in which the pairwise interaction tends to infinity. The available free energy estimates for this model show a strong form of disorder relevance, i.e., a strong effect of disorder on the free energy behavior, and our aim is to make explicit how the disorder affects the spin configurations. We give a quantitative estimate that shows that the infinite volume spin configurations are close to one explicit disorder dependent configuration when the interaction is large. Our results confirm predictions on this model obtained in D. S. Fisher, P. Le Doussal and C. Monthus (Phys. Rev. E 2001) by applying the renormalization group method introduced by D. S. Fisher (Phys. Rev. B 1995). |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_03927 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | The random field Ising chain domain-wall structure in the large interaction limit Collin, Orphée Giacomin, Giambattista Hu, Yueyun Probability Mathematical Physics 60K37, 82B44, 60K35, 82B27 We study the configurations of the nearest neighbor Ising ferromagnetic chain with IID centered and square integrable external random field in the limit in which the pairwise interaction tends to infinity. The available free energy estimates for this model show a strong form of disorder relevance, i.e., a strong effect of disorder on the free energy behavior, and our aim is to make explicit how the disorder affects the spin configurations. We give a quantitative estimate that shows that the infinite volume spin configurations are close to one explicit disorder dependent configuration when the interaction is large. Our results confirm predictions on this model obtained in D. S. Fisher, P. Le Doussal and C. Monthus (Phys. Rev. E 2001) by applying the renormalization group method introduced by D. S. Fisher (Phys. Rev. B 1995). |
| title | The random field Ising chain domain-wall structure in the large interaction limit |
| topic | Probability Mathematical Physics 60K37, 82B44, 60K35, 82B27 |
| url | https://arxiv.org/abs/2401.03927 |