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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Oscillator strengths, transition probabilities and state lifetimes of hydrogen atom confined in spherical cavity: off-center displacement effects
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Oscillator strengths, transition probabilities and state lifetimes of hydrogen atom confined in spherical cavity: off-center displacement effects

机译：振荡器强度，过渡概率和氢原子局限于球形腔中的寿命：偏离中心位移效应

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摘要

The non-relativistic dipole transition matrix elements, oscillator strengths, transition probabilities and lifetimes of the ground and lowest excited states of the centered and off-centered confined Hydrogen atom in a spherical cavity, were investigated via a variational method using B-splines as basis functions. These atomic parameters, obtained with a high accuracy, were found to be strongly affected by the off-center displacement which induces the increase of the splitting between initially m's degenerate states. Due to the displacement of the atom from the center, some transitions that were initially forbidden have non-zero probabilities. The results obtained for the 2s sigma, 2p sigma, 2p pi, 3d sigma, 3d pi, and 3d delta states have shown that, with the increase of the displacement, the state lifetimes exhibit one or several extrema depending on the confinement radius and the magnetic quantum number.
机译：通过使用B样条分析方法研究了球形腔中的处于居中和偏心的狭窄氢原子的偏心和偏心的狭窄氢原子的地面和最低激发状态的非相对论偶极转换矩阵元件，振荡器强度，过渡概率和寿命。 职能。 发现具有高精度的这些原子参数被偏离中心位移受到强烈影响，诱导最初M的退化状态之间分裂的增加。 由于原子从中心的位移，最初被禁止的一些过渡具有非零概率。 为2SΣ，2PΣ，2P PI，3D Sigma，3D PI和3DΔ状态获得的结果表明，随着位移的增加，状态寿命呈现一个或多个极值，这取决于限制半径和 磁量子数。

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