Study of the inter-species interactions in an ultracold dipolar mixture
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arXiv
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2021
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| _version_ | 1866916279704616960 |
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| author | Politi, C. Trautmann, A. Ilzhöfer, P. Durastante, G. Mark, M. J. Modugno, M. Ferlaino, F. |
| author_facet | Politi, C. Trautmann, A. Ilzhöfer, P. Durastante, G. Mark, M. J. Modugno, M. Ferlaino, F. |
| contents | We experimentally and theoretically investigate the influence of the dipole-dipole interactions (DDIs) on the total inter-species interaction in an erbium-dysprosium mixture. By rotating the dipole orientation we are able to tune the effect of the long-range and anisotropic DDI, and therefore the in-trap clouds displacement. We present a theoretical description for our binary system based on an extended Gross-Pitaevskii (eGP) theory, including the single-species beyond mean-field terms, and we predict a lower and an upper bound for the inter-species scattering length $a_{12}$. Our work is a first step towards the investigation of the experimentally unexplored dipolar miscibility-immiscibility phase diagram and the realization of quantum droplets and supersolid states with heteronuclear dipolar mixtures. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2110_09980 |
| institution | arXiv |
| publishDate | 2021 |
| record_format | arxiv |
| spellingShingle | Study of the inter-species interactions in an ultracold dipolar mixture Politi, C. Trautmann, A. Ilzhöfer, P. Durastante, G. Mark, M. J. Modugno, M. Ferlaino, F. Quantum Gases Quantum Physics We experimentally and theoretically investigate the influence of the dipole-dipole interactions (DDIs) on the total inter-species interaction in an erbium-dysprosium mixture. By rotating the dipole orientation we are able to tune the effect of the long-range and anisotropic DDI, and therefore the in-trap clouds displacement. We present a theoretical description for our binary system based on an extended Gross-Pitaevskii (eGP) theory, including the single-species beyond mean-field terms, and we predict a lower and an upper bound for the inter-species scattering length $a_{12}$. Our work is a first step towards the investigation of the experimentally unexplored dipolar miscibility-immiscibility phase diagram and the realization of quantum droplets and supersolid states with heteronuclear dipolar mixtures. |
| title | Study of the inter-species interactions in an ultracold dipolar mixture |
| topic | Quantum Gases Quantum Physics |
| url | https://arxiv.org/abs/2110.09980 |