Engineering interaction potentials for stabilizing quantum quasicrystal phases
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866917079774396416 |
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| author | Grossklags, Matheus Lima, Daniel Zampronio, Vinicius Cinti, Fabio Mendoza-Coto, Alejandro |
| author_facet | Grossklags, Matheus Lima, Daniel Zampronio, Vinicius Cinti, Fabio Mendoza-Coto, Alejandro |
| contents | We investigate the necessary features of the pair interaction for the stabilization of self-assembled quantum quasicrystals in two-dimensional bosonic systems. Unlike the classical scenario, our results show that two-dimensional octagonal, decagonal, and dodecagonal aperiodic phases require a distinct number of properly tuned characteristic length scales for their stabilization. By using a mean field spectral variational approach and Gross-Pitaevskii numerical calculations, we determine that the dodecagonal quasicrystal structure requires at least two characteristic length scales for its stabilization, while the decagonal and octagonal patterns need at least three and four length scales, respectively. The family of pair interaction potentials considered, albeit simple, is well justified in terms of a novel experimental platform based on laser-painted interactions in a cavity QED setup. Finally, we perform a structural characterization of the quasicrystal patterns obtained and show that these phases coexist with a finite superfluid fraction, forming what can be called a super quasicrystal phase. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_15359 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Engineering interaction potentials for stabilizing quantum quasicrystal phases Grossklags, Matheus Lima, Daniel Zampronio, Vinicius Cinti, Fabio Mendoza-Coto, Alejandro Other Condensed Matter Quantum Gases Quantum Physics We investigate the necessary features of the pair interaction for the stabilization of self-assembled quantum quasicrystals in two-dimensional bosonic systems. Unlike the classical scenario, our results show that two-dimensional octagonal, decagonal, and dodecagonal aperiodic phases require a distinct number of properly tuned characteristic length scales for their stabilization. By using a mean field spectral variational approach and Gross-Pitaevskii numerical calculations, we determine that the dodecagonal quasicrystal structure requires at least two characteristic length scales for its stabilization, while the decagonal and octagonal patterns need at least three and four length scales, respectively. The family of pair interaction potentials considered, albeit simple, is well justified in terms of a novel experimental platform based on laser-painted interactions in a cavity QED setup. Finally, we perform a structural characterization of the quasicrystal patterns obtained and show that these phases coexist with a finite superfluid fraction, forming what can be called a super quasicrystal phase. |
| title | Engineering interaction potentials for stabilizing quantum quasicrystal phases |
| topic | Other Condensed Matter Quantum Gases Quantum Physics |
| url | https://arxiv.org/abs/2503.15359 |