Zeeman decoherence effect of trapped 199 Hg + ion Ramsey spectra
In the 199 Hg + ion microwave clock, the Zeeman decoherence effect caused by the overlapping of Zeeman sidebands and the radial secular motion sidebands will decrease the contrast of the Ramsey fringe, thus reducing the signal-to-noise ratio of the spectra. In this paper, the Zeeman decoherence effe...
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| Veröffentlicht in: | Chinese physics B 2024-10, Vol.33 (11), p.113702 |
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| creator | Liu 刘, Ge 格 Liu 柳, Hao 浩 Chen 陈, Yihe 义和 Wang 王, Jian 健 Huang 黄, Shuhong 书泓 Li 李, Chengbin 承斌 She 佘, Lei 磊 |
| description | In the 199 Hg + ion microwave clock, the Zeeman decoherence effect caused by the overlapping of Zeeman sidebands and the radial secular motion sidebands will decrease the contrast of the Ramsey fringe, thus reducing the signal-to-noise ratio of the spectra. In this paper, the Zeeman decoherence effect is analyzed theoretically and investigated experimentally. A simplified model is built to describe the Ramsey spectral probability, in which the transverse relaxation time T 2 is introduced to characterize the influence of the Zeeman decoherence effect phenomenologically. The experiments were carried out on a linear quadrupole trap 199 Hg + ion clock. The results show that the probability model matches well with the experimental data, and the magnetic field value should be more than 150 mGs (1 Gs = 10 −4 T) to avoid the Zeeman decoherence effect. |
| doi_str_mv | 10.1088/1674-1056/ad7af6 |
| format | Article |
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In this paper, the Zeeman decoherence effect is analyzed theoretically and investigated experimentally. A simplified model is built to describe the Ramsey spectral probability, in which the transverse relaxation time T 2 is introduced to characterize the influence of the Zeeman decoherence effect phenomenologically. The experiments were carried out on a linear quadrupole trap 199 Hg + ion clock. The results show that the probability model matches well with the experimental data, and the magnetic field value should be more than 150 mGs (1 Gs = 10 −4 T) to avoid the Zeeman decoherence effect.</description><identifier>ISSN: 1674-1056</identifier><identifier>EISSN: 2058-3834</identifier><identifier>DOI: 10.1088/1674-1056/ad7af6</identifier><language>eng</language><ispartof>Chinese physics B, 2024-10, Vol.33 (11), p.113702</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-crossref_primary_10_1088_1674_1056_ad7af63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,27907,27908</link.rule.ids></links><search><creatorcontrib>Liu 刘, Ge 格</creatorcontrib><creatorcontrib>Liu 柳, Hao 浩</creatorcontrib><creatorcontrib>Chen 陈, Yihe 义和</creatorcontrib><creatorcontrib>Wang 王, Jian 健</creatorcontrib><creatorcontrib>Huang 黄, Shuhong 书泓</creatorcontrib><creatorcontrib>Li 李, Chengbin 承斌</creatorcontrib><creatorcontrib>She 佘, Lei 磊</creatorcontrib><title>Zeeman decoherence effect of trapped 199 Hg + ion Ramsey spectra</title><title>Chinese physics B</title><description>In the 199 Hg + ion microwave clock, the Zeeman decoherence effect caused by the overlapping of Zeeman sidebands and the radial secular motion sidebands will decrease the contrast of the Ramsey fringe, thus reducing the signal-to-noise ratio of the spectra. In this paper, the Zeeman decoherence effect is analyzed theoretically and investigated experimentally. A simplified model is built to describe the Ramsey spectral probability, in which the transverse relaxation time T 2 is introduced to characterize the influence of the Zeeman decoherence effect phenomenologically. The experiments were carried out on a linear quadrupole trap 199 Hg + ion clock. 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In this paper, the Zeeman decoherence effect is analyzed theoretically and investigated experimentally. A simplified model is built to describe the Ramsey spectral probability, in which the transverse relaxation time T 2 is introduced to characterize the influence of the Zeeman decoherence effect phenomenologically. The experiments were carried out on a linear quadrupole trap 199 Hg + ion clock. The results show that the probability model matches well with the experimental data, and the magnetic field value should be more than 150 mGs (1 Gs = 10 −4 T) to avoid the Zeeman decoherence effect.</abstract><doi>10.1088/1674-1056/ad7af6</doi></addata></record> |
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| title | Zeeman decoherence effect of trapped 199 Hg + ion Ramsey spectra |
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