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对“薛定谔公式中的费曼有效经典势”一文的评论

Comment on "Feynman Effective Classical Potential in the Schrodinger Formulation"

G. Andronico, V. Branchina, D. Zappala'

摘要:

我们评论的文件“费曼有效的经典潜力的薛定谔公式”[物理。81,3303(1998)]。我们证明,本文关于双势阱中波包随时间演化的结果,可以用有效作用量的变分原理得到合理的解释。还讨论了改进这些结果的方法。

英文摘要:

We comment on the paper "Feynman Effective Classical Potential in the Schrodinger Formulation"[Phys. Rev. Lett. 81, 3303 (1998)]. We show that the results in this paper about the time evolution of a wave packet in a double well potential can be properly explained by resorting to a variational principle for the effective action. A way to improve on these results is also discussed.

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