多光子分子激发的相干最优控制
Coherent Optimal Control of Multiphoton Molecular Excitation
摘要：
给出了一个优化设计的电场诱导的分子多光子激发过程的理论框架。分子最初是在其两个本征函数的相干叠加态中制备的。两个叠加的本征函数的相对相位已被证明可以控制触发分子中多光子激发的最佳设计的电场。这带来了在实验室中设计最佳场的灵活性，通过适当地调整分子相，因此通过选择最有利的干扰路线，系统遵循到达目标。我们采用量子流体动力学方法设计了电场并应用于HBr分子。
英文摘要：
We give a framework for molecular multiphoton excitation process induced by an optimally designed electric field. The molecule is initially prepared in a coherent superposition state of two of its eigenfunctions. The relative phase of the two superposed eigenfunctions has been shown to control the optimally designed electric field which triggers the multiphoton excitation in the molecule. This brings forth flexibility in desiging the optimal field in the laboratory by suitably tuning the molecular phase and hence by choosing the most favorable interfering routes that the system follows to reach the target. We follow the quantum fluid dynamical formulation for desiging the electric field with application to HBr molecule.
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