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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2512.12158 |
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| _version_ | 1866908708580098048 |
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| author | Vijayan, Vinesh Ishwarya, T Parveenbanu, M Vigneshwaran, M |
| author_facet | Vijayan, Vinesh Ishwarya, T Parveenbanu, M Vigneshwaran, M |
| contents | We develop a unified Cartan geometric framework where dislocations and disclinations correspond to torsion and curvature of the material coframe connection, respectively, and phase defects emerge as U(1) vortices. This single action principle produces coupled equations of motion and conservation laws governing these defects. Our theory predicts a universal Magnus-like force exerted by curvature on moving dislocations, as well as disclination-driven reconnection events. These phenomena offer experimentally testable signatures in colloidal crystals and mechanical metamaterials. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_12158 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Universal Curvature Force on Dislocations from a Cartan Geometric Defect Action Vijayan, Vinesh Ishwarya, T Parveenbanu, M Vigneshwaran, M Mathematical Physics We develop a unified Cartan geometric framework where dislocations and disclinations correspond to torsion and curvature of the material coframe connection, respectively, and phase defects emerge as U(1) vortices. This single action principle produces coupled equations of motion and conservation laws governing these defects. Our theory predicts a universal Magnus-like force exerted by curvature on moving dislocations, as well as disclination-driven reconnection events. These phenomena offer experimentally testable signatures in colloidal crystals and mechanical metamaterials. |
| title | Universal Curvature Force on Dislocations from a Cartan Geometric Defect Action |
| topic | Mathematical Physics |
| url | https://arxiv.org/abs/2512.12158 |