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Investigation of ultracold atoms and molecules in a dark magneto-optical trap.

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Title: Investigation of ultracold atoms and molecules in a dark magneto-optical trap.
Authors: Wang Li-Rong1 wlr@sxu.edu.cn, Ji Zhong-Hua1, Yuan Jin-Peng1, Yang Yan1, Zhao Yan-Ting1, Ma Jie1, Xiao Lian-Tuan1, Jia Suo-Tang1
Source: Chinese Physics B. Nov2012, Vol. 21 Issue 11, p1-5. 5p.
Subjects: Atoms, Ultracold molecules, Magnetooptics, Cesium, Ground state (Quantum mechanics), Collisions (Physics), Vibrational spectra, Quantum perturbations
Abstract: In this paper, ultracold atoms and molecules in a dark magneto-optical trap (MOT) are studied via depumping the cesium cold atoms into the dark hyperfine ground state. The collision rate is reduced to 0.45 s-1 and the density of the atoms is increased to 5:6 ✕ 1011 cm-3 when the fractional population of the atoms in the bright hyperfine ground state is as low as 0.15. The vibrational spectra of the ultracold cesium molecules are also studied in a standard MOT and in a dark MOT separately. The experimental results are analyzed by using the perturbative quantum approach. [ABSTRACT FROM AUTHOR]
Copyright of Chinese Physics B is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 84019672
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Investigation of ultracold atoms and molecules in a dark magneto-optical trap.
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  Data: <searchLink fieldCode="AR" term="%22Wang+Li-Rong%22">Wang Li-Rong</searchLink><relatesTo>1</relatesTo><i> wlr@sxu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Ji+Zhong-Hua%22">Ji Zhong-Hua</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Yuan+Jin-Peng%22">Yuan Jin-Peng</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Yang+Yan%22">Yang Yan</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhao+Yan-Ting%22">Zhao Yan-Ting</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ma+Jie%22">Ma Jie</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Xiao+Lian-Tuan%22">Xiao Lian-Tuan</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Jia+Suo-Tang%22">Jia Suo-Tang</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Chinese+Physics+B%22">Chinese Physics B</searchLink>. Nov2012, Vol. 21 Issue 11, p1-5. 5p.
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  Data: <searchLink fieldCode="DE" term="%22Atoms%22">Atoms</searchLink><br /><searchLink fieldCode="DE" term="%22Ultracold+molecules%22">Ultracold molecules</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetooptics%22">Magnetooptics</searchLink><br /><searchLink fieldCode="DE" term="%22Cesium%22">Cesium</searchLink><br /><searchLink fieldCode="DE" term="%22Ground+state+%28Quantum+mechanics%29%22">Ground state (Quantum mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Collisions+%28Physics%29%22">Collisions (Physics)</searchLink><br /><searchLink fieldCode="DE" term="%22Vibrational+spectra%22">Vibrational spectra</searchLink><br /><searchLink fieldCode="DE" term="%22Quantum+perturbations%22">Quantum perturbations</searchLink>
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  Label: Abstract
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  Data: In this paper, ultracold atoms and molecules in a dark magneto-optical trap (MOT) are studied via depumping the cesium cold atoms into the dark hyperfine ground state. The collision rate is reduced to 0.45 s-1 and the density of the atoms is increased to 5:6 ✕ 1011 cm-3 when the fractional population of the atoms in the bright hyperfine ground state is as low as 0.15. The vibrational spectra of the ultracold cesium molecules are also studied in a standard MOT and in a dark MOT separately. The experimental results are analyzed by using the perturbative quantum approach. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Chinese Physics B is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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        Value: 10.1088/1674-1056/21/11/113402
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      – Code: eng
        Text: English
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        PageCount: 5
        StartPage: 1
    Subjects:
      – SubjectFull: Atoms
        Type: general
      – SubjectFull: Ultracold molecules
        Type: general
      – SubjectFull: Magnetooptics
        Type: general
      – SubjectFull: Cesium
        Type: general
      – SubjectFull: Ground state (Quantum mechanics)
        Type: general
      – SubjectFull: Collisions (Physics)
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      – SubjectFull: Vibrational spectra
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      – SubjectFull: Quantum perturbations
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      – TitleFull: Investigation of ultracold atoms and molecules in a dark magneto-optical trap.
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              Text: Nov2012
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