The dipolar Aleppo lattice: Ground state ordering and ergodic dynamics in the absence of vertex frustration
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arXiv
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| Format: | Preprint |
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2025
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| author | Mahato, Gopi Crater, Davis Hoyt, Christian Miertschin, Duncan Regmi, Balaram Hofhuis, Kevin Dhuey, Scott Achinuq, Barat Caravelli, Francesco Farhan, Alan |
| author_facet | Mahato, Gopi Crater, Davis Hoyt, Christian Miertschin, Duncan Regmi, Balaram Hofhuis, Kevin Dhuey, Scott Achinuq, Barat Caravelli, Francesco Farhan, Alan |
| contents | We introduce the Aleppo spin ice geometry, another variation of decimated square ice patterns, which in contrast to similar systems previously studied, does not exhibit vertex frustration. Using synchrotron-based photoemission electron microscopy, we directly visualize low-energy states achieved after thermal annealing, in addition to temperature-dependent moment fluctuations. The results reveal the observation of ground state patterns and the absence of ergodicity-breaking dynamics. Our observations further confirm vertex frustration to be an important criterion for the emergence of ergodicity transitions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_03375 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | The dipolar Aleppo lattice: Ground state ordering and ergodic dynamics in the absence of vertex frustration Mahato, Gopi Crater, Davis Hoyt, Christian Miertschin, Duncan Regmi, Balaram Hofhuis, Kevin Dhuey, Scott Achinuq, Barat Caravelli, Francesco Farhan, Alan Mesoscale and Nanoscale Physics Soft Condensed Matter Statistical Mechanics We introduce the Aleppo spin ice geometry, another variation of decimated square ice patterns, which in contrast to similar systems previously studied, does not exhibit vertex frustration. Using synchrotron-based photoemission electron microscopy, we directly visualize low-energy states achieved after thermal annealing, in addition to temperature-dependent moment fluctuations. The results reveal the observation of ground state patterns and the absence of ergodicity-breaking dynamics. Our observations further confirm vertex frustration to be an important criterion for the emergence of ergodicity transitions. |
| title | The dipolar Aleppo lattice: Ground state ordering and ergodic dynamics in the absence of vertex frustration |
| topic | Mesoscale and Nanoscale Physics Soft Condensed Matter Statistical Mechanics |
| url | https://arxiv.org/abs/2501.03375 |