Flexoelectricity-driven softening of bend elasticity leads to spontaneous chiral symmetry breaking in a polar fluid
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| Main Authors: | , , , , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866918343566426112 |
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| author | Erkoreka, Aitor Martinez-Perdiguero, Josu Cmok, Luka Hanžel, Ema Hobbs, Jordan Gibb, Calum J. Mandle, Richard J. Sebastián, Nerea Mertelj, Alenka |
| author_facet | Erkoreka, Aitor Martinez-Perdiguero, Josu Cmok, Luka Hanžel, Ema Hobbs, Jordan Gibb, Calum J. Mandle, Richard J. Sebastián, Nerea Mertelj, Alenka |
| contents | The origin of recently observed spontaneous chiral symmetry breaking in polar fluids is an unsolved problem, and poses fundamental questions as to how heliconical structures emerge in systems composed of achiral molecules. We report on the softening of bend elasticity close to such phase transition, showing that flexoelectric coupling between the electric polarization and the bend deformation is the responsible mechanism, presumably arising from the bent shape of the constituent highly polar molecules. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_15687 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Flexoelectricity-driven softening of bend elasticity leads to spontaneous chiral symmetry breaking in a polar fluid Erkoreka, Aitor Martinez-Perdiguero, Josu Cmok, Luka Hanžel, Ema Hobbs, Jordan Gibb, Calum J. Mandle, Richard J. Sebastián, Nerea Mertelj, Alenka Soft Condensed Matter The origin of recently observed spontaneous chiral symmetry breaking in polar fluids is an unsolved problem, and poses fundamental questions as to how heliconical structures emerge in systems composed of achiral molecules. We report on the softening of bend elasticity close to such phase transition, showing that flexoelectric coupling between the electric polarization and the bend deformation is the responsible mechanism, presumably arising from the bent shape of the constituent highly polar molecules. |
| title | Flexoelectricity-driven softening of bend elasticity leads to spontaneous chiral symmetry breaking in a polar fluid |
| topic | Soft Condensed Matter |
| url | https://arxiv.org/abs/2602.15687 |