Reversible to Irreversible Transitions in Pattern-Forming Systems with Cyclic Interactions
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866915736843190272 |
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| author | Reichhardt, C. Reichhardt, C. J. O. |
| author_facet | Reichhardt, C. Reichhardt, C. J. O. |
| contents | Transitions from reversible to irreversible or fluctuating states above a critical density and shear amplitude have been extensively studied in non-thermal cyclically sheared suspensions and amorphous solids. Here, we propose that the same type of reversible to irreversible transition occurs for a system of particles with competing short-range attraction and long-range repulsion, which can form crystals, stripes, and bubbles as the ratio of attraction to repulsion varies. By oscillating the strength of the attractive part of the potential, we find that the system can organize into either time-periodic states consisting of nondiffusive complex closed orbits, or into a diffusive fluctuating state. A critical point separates these states as a function of the maximum strength of the attraction, oscillation frequency, and particle density. We also find a re-entrant behavior of the reversible state as a function of the strength of the attraction and the oscillation frequency. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2601_11818 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Reversible to Irreversible Transitions in Pattern-Forming Systems with Cyclic Interactions Reichhardt, C. Reichhardt, C. J. O. Statistical Mechanics Soft Condensed Matter Transitions from reversible to irreversible or fluctuating states above a critical density and shear amplitude have been extensively studied in non-thermal cyclically sheared suspensions and amorphous solids. Here, we propose that the same type of reversible to irreversible transition occurs for a system of particles with competing short-range attraction and long-range repulsion, which can form crystals, stripes, and bubbles as the ratio of attraction to repulsion varies. By oscillating the strength of the attractive part of the potential, we find that the system can organize into either time-periodic states consisting of nondiffusive complex closed orbits, or into a diffusive fluctuating state. A critical point separates these states as a function of the maximum strength of the attraction, oscillation frequency, and particle density. We also find a re-entrant behavior of the reversible state as a function of the strength of the attraction and the oscillation frequency. |
| title | Reversible to Irreversible Transitions in Pattern-Forming Systems with Cyclic Interactions |
| topic | Statistical Mechanics Soft Condensed Matter |
| url | https://arxiv.org/abs/2601.11818 |