Mirror symmetry breaking of superradiance in a dipolar BEC
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arXiv
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| Format: | Preprint |
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2022
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| _version_ | 1866912026013466624 |
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| author | Seo, Bojeong Huang, Mingchen Chen, Ziting Parit, Mithilesh K. He, Yifei Chen, Peng Jo, Gyu-Boong |
| author_facet | Seo, Bojeong Huang, Mingchen Chen, Ziting Parit, Mithilesh K. He, Yifei Chen, Peng Jo, Gyu-Boong |
| contents | Dicke superradiance occurs when two or more emitters cooperatively interact via the electromagnetic field. This collective light scattering process has been extensively studied across various platforms, from atoms to quantum dots and organic molecules. Despite extensive research, the precise role of direct interactions between emitters in superradiance remains elusive, particularly in many-body systems where the complexity of interactions poses significant challenges. In this study, we investigate the effect of dipole-dipole interaction between 18,000 atoms in dipolar Bose-Einstein condensates (BECs) on the superradiance process. In dipolar BECs, we simplify the complex effect of anisotropic magnetic dipole-dipole interaction with Bogoliubov transformation. We observe that anisotropic Bogoliubov excitation breaks the mirror symmetry in decay modes of superradiance. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2210_01586 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Mirror symmetry breaking of superradiance in a dipolar BEC Seo, Bojeong Huang, Mingchen Chen, Ziting Parit, Mithilesh K. He, Yifei Chen, Peng Jo, Gyu-Boong Quantum Gases Atomic Physics Quantum Physics Dicke superradiance occurs when two or more emitters cooperatively interact via the electromagnetic field. This collective light scattering process has been extensively studied across various platforms, from atoms to quantum dots and organic molecules. Despite extensive research, the precise role of direct interactions between emitters in superradiance remains elusive, particularly in many-body systems where the complexity of interactions poses significant challenges. In this study, we investigate the effect of dipole-dipole interaction between 18,000 atoms in dipolar Bose-Einstein condensates (BECs) on the superradiance process. In dipolar BECs, we simplify the complex effect of anisotropic magnetic dipole-dipole interaction with Bogoliubov transformation. We observe that anisotropic Bogoliubov excitation breaks the mirror symmetry in decay modes of superradiance. |
| title | Mirror symmetry breaking of superradiance in a dipolar BEC |
| topic | Quantum Gases Atomic Physics Quantum Physics |
| url | https://arxiv.org/abs/2210.01586 |