Exact Factorization of the Time-Dependent Electron-Nuclear Wave Function

Exact Factorization of the Time-Dependent Electron-Nuclear Wave Function
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DOI:
10.1103/physrevlett.105.123002
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发表时间:
2010-09-15
影响因子:
8.6
通讯作者:
Gross, E. K. U.
Gross, E. K. U.
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
Abedi, Ali;Maitra, Neepa T.;Gross, E. K. U.

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我们提出了一个完整的波函数的原子核和电子系统的演化与时间相关的外部潜力的精确分解。我们推导出正式的精确方程的核和电子波函数,导致严格的定义的随时间变化的势能面(TDPES)和随时间变化的几何相位。对于H(2)(+)分子离子,TDPES被证明是一个有用的解释工具,以确定不同的解离机制。
We present an exact decomposition of the complete wave function for a system of nuclei and electrons evolving in a time-dependent external potential. We derive formally exact equations for the nuclear and electronic wave functions that lead to rigorous definitions of a time-dependent potential energy surface (TDPES) and a time-dependent geometric phase. For the H(2)(+) molecular ion exposed to a laser field, the TDPES proves to be a useful interpretive tool to identify different mechanisms of dissociation.