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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2602.00674 |
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| _version_ | 1866914298318553088 |
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| author | Singh, Shivam Ibrar Rashid, Suhail Khan, Ayan |
| author_facet | Singh, Shivam Ibrar Rashid, Suhail Khan, Ayan |
| contents | In this article, we study the two-mode method to analyze the Josephson oscillation for a trapped binary Bose-Einstein condensate while taking into account the beyond mean-field and three body interactions. For this purpose, we use the archetypal model of double well potential and study the Josephson oscillation and self-trapping phases in quasi-one dimension. Additionally, our analysis provides quantitative discussion on the effect of asymmetry and dimension. We further corroborate our findings with Bogoliubov quasi-particle method and notice regions of instabilities and roton like mode. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_00674 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Josephson Oscillation and Nonlinear Self-Trapping in Quasi-one-dimensional Quantum Liquid Singh, Shivam Ibrar Rashid, Suhail Khan, Ayan Quantum Gases In this article, we study the two-mode method to analyze the Josephson oscillation for a trapped binary Bose-Einstein condensate while taking into account the beyond mean-field and three body interactions. For this purpose, we use the archetypal model of double well potential and study the Josephson oscillation and self-trapping phases in quasi-one dimension. Additionally, our analysis provides quantitative discussion on the effect of asymmetry and dimension. We further corroborate our findings with Bogoliubov quasi-particle method and notice regions of instabilities and roton like mode. |
| title | Josephson Oscillation and Nonlinear Self-Trapping in Quasi-one-dimensional Quantum Liquid |
| topic | Quantum Gases |
| url | https://arxiv.org/abs/2602.00674 |