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arXiv physics/0410115physics.atom-phphysics.gen-ph
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对“评”从原子到分子的受激拉曼绝热玻色-爱因斯坦凝聚体“一文的答复

Reply to "Comment on 'Stimulated Raman adiabatic passage from an atomic to a molecular Bose-Einstein condensate'"

P. D. Drummond, K. V. Kheruntsyan, D. J. Heinzen, R. H. Wynar

备注：
Accepted for publication in Phys. Rev. A
发表信息：
Phys. Rev. A 71, 017602 (2005)
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摘要：

在评论M。Mackie \textit{et al.} [arXiv：物理学/0212111 v.4]，作者提出可以通过降低初始原子密度来提高原子-分子STIRAP中的分子转换效率，这又需要更长的脉冲持续时间来保持绝热性。除了平均场近似在低密度下变得有问题的事实之外，我们指出具有较长脉冲的低密度策略有几个问题。它通常需要更高的脉冲能量，并增加辐射损失。我们还表明，即使在评论中使用的近似，他们的例子导致没有效率的提高相比，我们的高密度的情况下。在更仔细的分析中，包括在评论中忽略的辐射损失，由于所需的较长的脉冲持续时间，所提出的策略几乎没有转换。

英文摘要：

In the Comment by M. Mackie \textit{et al.} [arXiv: physics/0212111 v.4], the authors suggest that the molecular conversion efficiency in atom-molecule STIRAP can be improved by lowering the initial atomic density, which in turn requires longer pulse durations to maintain adiabaticity. Apart from the fact that the mean-field approximation becomes questionable at low densities, we point out that a low-density strategy with longer pulses has several problems. It generally requires higher pulse energies, and increases radiative losses. We also show that even within the approximations used in the Comment, their example leads to no efficiency improvement compared to our high-density case. In a more careful analysis including radiative losses neglected in the Comment, the proposed strategy gives almost no conversion owing to the longer pulse durations required.

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