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双模腔场中两偶极相互作用原子的辐射谱

冯健 宋同强 王文正 许敬之

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双模腔场中两偶极相互作用原子的辐射谱

冯健, 宋同强, 王文正, 许敬之

EMISSION SPECTRA OF TWO ATOMS COUPLED BY DIPOLE-DIPOLE FORCE IN TWO-MODE CAVITY FIELDS

FENG JIAN, SONG TONG-QIANG, WANG WEN-ZHENG, XU JING-ZHI
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  • 研究了双模腔场中两个偶极相互作用原子的辐射谱,详细讨论了双模腔场分别处于不同数态时的情形,发现其辐射谱具有如下特点:当两模腔场均处于真空态时,随着δ=ga/g的增加,辐射谱交替出现六峰、五峰结构,且在δ(=3-1/2)很小时就出现了非对称五峰结构,与单模双原子情形相比较,更为灵敏地反映出原子间的偶极相互作用;当一腔场为真空场,另一腔场为强场时,辐射谱显示出对称的六峰结构,任意两对称峰的间距与(2n2)1/2g成正比;当
    Emission spectra of two atoms coupled by dipoie-dipole force in two-mode cavity fields are studied. It is found that emission spectra manifest the following new properties when two-mode cavity fields are initially in various-number states. When two fields are all in vacuum states, the spectrum shows six peaks and five peaks alternately, with the increase of δ=ga/g. Furthermore, the non-symmetric five peaks appear in the spectrum when δ is very small, which reflects the atomic dipole-dipole interaction more sensitively compared with the spectrum of two atoms in a single-cavity. The spectrum consists of symmetric six peaks and distance between each two symmetric peaks is proportional to (2n2)1/2g when one of the fields is in the vacuum states and the other is a strong field. However when one of the fields is in the vacuum state and the other in number state and δ=21/2,the spectrum will generally show non-symmetric six peaks structure, but when n2=5, it becomes non-symmetric five peaks structure.
    • 基金项目: 山东省自然科学基金资助的课题.
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  • 文章访问数:  5429
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  • 被引次数: 0
出版历程
  • 收稿日期:  1993-10-22
  • 刊出日期:  1994-06-05

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