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| Format: | Preprint |
| Published: |
2026
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| Online Access: | https://arxiv.org/abs/2604.03692 |
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| _version_ | 1866915915941019648 |
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| author | Domingos, Jorge L. C. |
| author_facet | Domingos, Jorge L. C. |
| contents | Anisotropic magnetic colloids with permanent dipole moments exhibit rich field-responsive behavior arising from the interplay between particle geometry, dipolar interactions, and external driving. Modeling these systems remains challenging due to the long-range nature of dipolar forces, geometric anisotropy, dipole--particle misalignment, and the complexity of implementing anisotropic steric interactions. This review discusses particle-based numerical strategies to model such systems, including single-site, multi-bead, shifted-dipole, and multicore representations. We analyze how different levels of description capture key physical mechanisms, from steric constraints and directional binding to internal magnetic structure and nonequilibrium dynamics. Particular emphasis is placed on dipole--particle misalignment as a control parameter that strongly affects interaction landscapes and self-assembly pathways. We also highlight recent machine learning approaches as emerging tools to construct effective interaction potentials and accelerate simulations. By comparing the main methodologies and their limitations, this review outlines current challenges and perspectives toward more predictive and efficient modeling of anisotropic magnetic colloids. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_03692 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Advanced Modelling Methodologies for Anisotropic Magnetic Colloids Domingos, Jorge L. C. Soft Condensed Matter Computational Physics Anisotropic magnetic colloids with permanent dipole moments exhibit rich field-responsive behavior arising from the interplay between particle geometry, dipolar interactions, and external driving. Modeling these systems remains challenging due to the long-range nature of dipolar forces, geometric anisotropy, dipole--particle misalignment, and the complexity of implementing anisotropic steric interactions. This review discusses particle-based numerical strategies to model such systems, including single-site, multi-bead, shifted-dipole, and multicore representations. We analyze how different levels of description capture key physical mechanisms, from steric constraints and directional binding to internal magnetic structure and nonequilibrium dynamics. Particular emphasis is placed on dipole--particle misalignment as a control parameter that strongly affects interaction landscapes and self-assembly pathways. We also highlight recent machine learning approaches as emerging tools to construct effective interaction potentials and accelerate simulations. By comparing the main methodologies and their limitations, this review outlines current challenges and perspectives toward more predictive and efficient modeling of anisotropic magnetic colloids. |
| title | Advanced Modelling Methodologies for Anisotropic Magnetic Colloids |
| topic | Soft Condensed Matter Computational Physics |
| url | https://arxiv.org/abs/2604.03692 |