Multiscale quantum-defect theory and its application to atomic spectrum

Multiscale quantum-defect theory and its application to atomic spectrum
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多尺度量子缺陷理论及其在原子光谱中的应用

DOI:
10.1088/1367-2630/18/10/103016
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发表时间:
2014-12
影响因子:
3.3
通讯作者:
Gao Bo
Gao Bo
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Fu Haixiang;Li Mingzhe;Tey Meng Khoon;You Li;Gao Bo

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基于库仑势和极化势组成的双尺度长程势的第一个解析解,提出了一个多尺度量子亏损理论。在原子结构的应用中,该理论将标准单尺度量子亏损理论所提供的对原子里德伯态的系统理解扩展到更大的能量范围,包括前几个激发态甚至基态。这种理解水平不仅对原子结构,而且对分子的电子结构以及原子和分子的相互作用和反应具有重要意义。我们证明了理论表明,它提供了一个分析描述的碱金属原子的标准库仑量子缺陷的能量变化。
We present a multiscale quantum-defect theory based on the first analytic solution for a two-scale long range potential consisting of a Coulomb potential and a polarization potential. In its application to atomic structure, the theory extends the systematic understanding of atomic Rydberg states, as afforded by the standard single-scale quantum-defect theory, to a much greater range of energies to include the first few excited states and even the ground state. Such a level of understanding has important implications not only on atomic structure, but also on the electronic structure of molecules and on atomic and molecular interactions and reactions. We demonstrate the theory by showing that it provides an analytic description of the energy variations of the standard Coulomb quantum defects for alkali-metal atoms.
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发表时间: 1972-04
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