Spin-orbit coupling mediated photon-like resonance for a single atom trapped in a symmetric double well
We employ a method involving coherent periodic modulation of Raman laser intensity to induce resonance transitions between energy levels of a spin-orbit coupled atom in a symmetric double-well trap. By integrating photon-assisted tunneling technique with spin–orbit coupling (SOC), we achieve resonan...
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| Format: | Article |
| Language: | English |
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IOP Publishing
2024-01-01
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| Series: | New Journal of Physics |
| Subjects: | |
| Online Access: | https://doi.org/10.1088/1367-2630/ad9f99 |
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| _version_ | 1846106893299220480 |
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| author | Changwei Fan Xiaoxiao Hu Xin Yan Hongzheng Wu Zhiqiang Li Jinpeng Xiao Yajiang Chen Xiaobing Luo |
| author_facet | Changwei Fan Xiaoxiao Hu Xin Yan Hongzheng Wu Zhiqiang Li Jinpeng Xiao Yajiang Chen Xiaobing Luo |
| author_sort | Changwei Fan |
| collection | DOAJ |
| description | We employ a method involving coherent periodic modulation of Raman laser intensity to induce resonance transitions between energy levels of a spin-orbit coupled atom in a symmetric double-well trap. By integrating photon-assisted tunneling technique with spin–orbit coupling (SOC), we achieve resonance transitions between the predefined energy levels of the atom, thereby enabling further precise control of the atom’s dynamics. We observe that such photon-like resonance can induce a transition from a localized state to atomic Rabi oscillation between two wells, or effectively reduce tunneling as manifested by a quantum beating phenomenon. Moreover, such resonance transitions have the potential to induce spin flipping in a spin-orbit coupled atom. Additionally, the SOC-mediated transition from multiphoton resonance to fundamental resonance and the SOC-induced resonance suppression are also discovered. In these cases, the analytical results of the effective coupling coefficients of the resonance transition derived from a four-level model can account for the entire dynamics, demonstrating surprisingly good agreement with the numerically exact results based on the realistic continuous model. |
| format | Article |
| id | doaj-art-fca1b33ad8804bf49a7fb250602e9c75 |
| institution | Kabale University |
| issn | 1367-2630 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | New Journal of Physics |
| spelling | doaj-art-fca1b33ad8804bf49a7fb250602e9c752024-12-27T05:23:28ZengIOP PublishingNew Journal of Physics1367-26302024-01-01261212302810.1088/1367-2630/ad9f99Spin-orbit coupling mediated photon-like resonance for a single atom trapped in a symmetric double wellChangwei Fan0Xiaoxiao Hu1Xin Yan2Hongzheng Wu3Zhiqiang Li4Jinpeng Xiao5https://orcid.org/0000-0003-0848-804XYajiang Chen6Xiaobing Luo7https://orcid.org/0000-0002-3724-4848Department of Physics, Zhejiang Sci-Tech University , Hangzhou 310018, People’s Republic of ChinaDepartment of Physics, Zhejiang Sci-Tech University , Hangzhou 310018, People’s Republic of ChinaDepartment of Physics, Zhejiang Sci-Tech University , Hangzhou 310018, People’s Republic of ChinaDepartment of Physics, Zhejiang Sci-Tech University , Hangzhou 310018, People’s Republic of ChinaDepartment of Physics, Zhejiang Sci-Tech University , Hangzhou 310018, People’s Republic of ChinaSchool of Mathematics and Physics, Jinggangshan University , Ji’an 343009, People’s Republic of ChinaDepartment of Physics, Zhejiang Sci-Tech University , Hangzhou 310018, People’s Republic of ChinaDepartment of Physics, Zhejiang Sci-Tech University , Hangzhou 310018, People’s Republic of ChinaWe employ a method involving coherent periodic modulation of Raman laser intensity to induce resonance transitions between energy levels of a spin-orbit coupled atom in a symmetric double-well trap. By integrating photon-assisted tunneling technique with spin–orbit coupling (SOC), we achieve resonance transitions between the predefined energy levels of the atom, thereby enabling further precise control of the atom’s dynamics. We observe that such photon-like resonance can induce a transition from a localized state to atomic Rabi oscillation between two wells, or effectively reduce tunneling as manifested by a quantum beating phenomenon. Moreover, such resonance transitions have the potential to induce spin flipping in a spin-orbit coupled atom. Additionally, the SOC-mediated transition from multiphoton resonance to fundamental resonance and the SOC-induced resonance suppression are also discovered. In these cases, the analytical results of the effective coupling coefficients of the resonance transition derived from a four-level model can account for the entire dynamics, demonstrating surprisingly good agreement with the numerically exact results based on the realistic continuous model.https://doi.org/10.1088/1367-2630/ad9f99double wellspin–orbit couplingperiodic driving |
| spellingShingle | Changwei Fan Xiaoxiao Hu Xin Yan Hongzheng Wu Zhiqiang Li Jinpeng Xiao Yajiang Chen Xiaobing Luo Spin-orbit coupling mediated photon-like resonance for a single atom trapped in a symmetric double well New Journal of Physics double well spin–orbit coupling periodic driving |
| title | Spin-orbit coupling mediated photon-like resonance for a single atom trapped in a symmetric double well |
| title_full | Spin-orbit coupling mediated photon-like resonance for a single atom trapped in a symmetric double well |
| title_fullStr | Spin-orbit coupling mediated photon-like resonance for a single atom trapped in a symmetric double well |
| title_full_unstemmed | Spin-orbit coupling mediated photon-like resonance for a single atom trapped in a symmetric double well |
| title_short | Spin-orbit coupling mediated photon-like resonance for a single atom trapped in a symmetric double well |
| title_sort | spin orbit coupling mediated photon like resonance for a single atom trapped in a symmetric double well |
| topic | double well spin–orbit coupling periodic driving |
| url | https://doi.org/10.1088/1367-2630/ad9f99 |
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