Translationally invariant colloidal crystal templates
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arXiv
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| Auteurs principaux: | , , |
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| Format: | Preprint |
| Publié: |
2017
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| _version_ | 1866914059178213376 |
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| author | Popli, Pankaj Ganguly, Saswati Sengupta, Surajit |
| author_facet | Popli, Pankaj Ganguly, Saswati Sengupta, Surajit |
| contents | We show that dynamic, feed-back controlled optical traps, whose positions depend on the instantaneous local configuration of particles in a pre-determined way, can stabilise colloidal particles in finite lattices of ${\it any}$ given symmetry. Unlike in a static template, the crystal so formed is translationally invariant and retains all possible zero energy modes. We demonstrate this ${\it in-silico}$ by stabilising the unstable two-dimensional ${\it square}$ lattice in a model soft solid with isotropic interactions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_1708_08845 |
| institution | arXiv |
| publishDate | 2017 |
| record_format | arxiv |
| spellingShingle | Translationally invariant colloidal crystal templates Popli, Pankaj Ganguly, Saswati Sengupta, Surajit Soft Condensed Matter We show that dynamic, feed-back controlled optical traps, whose positions depend on the instantaneous local configuration of particles in a pre-determined way, can stabilise colloidal particles in finite lattices of ${\it any}$ given symmetry. Unlike in a static template, the crystal so formed is translationally invariant and retains all possible zero energy modes. We demonstrate this ${\it in-silico}$ by stabilising the unstable two-dimensional ${\it square}$ lattice in a model soft solid with isotropic interactions. |
| title | Translationally invariant colloidal crystal templates |
| topic | Soft Condensed Matter |
| url | https://arxiv.org/abs/1708.08845 |