Generalized Phase Sensitivity of Directional Bond Breaking in the Laser-Molecule Interaction.,Physical Review Letters

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Generalized Phase Sensitivity of Directional Bond Breaking in the Laser-Molecule Interaction.
Physical Review Letters ( IF 8.1 ) Pub Date : 2020-07-10 , DOI: 10.1103/physrevlett.125.023202
Sarayoo Kangaparambil ₁ , Václav Hanus ₁ , Martin Dorner-Kirchner ₁ , Peilun He ₂ , Seyedreza Larimian ₁ , Gerhard Paulus ₃ , Andrius Baltuška ₁ , Xinhua Xie ₁ , Kaoru Yamanouchi ₄ , Feng He ₂ , Erik Lötstedt ₄ , Markus Kitzler-Zeiler ₁

Affiliation

We establish a generalized picture of the phase sensitivity of laser-induced directional bond breaking using the

H_{2}

molecule as the example. We show that the well-known proton ejection anisotropy measured with few-cycle pulses as a function of their carrier-envelope phases arises as an amplitude modulation of an intrinsic anisotropy that is sensitive to the laser phase at the ionization time and determined by the molecule’s electronic structure. Our work furthermore reveals a strong electron-proton correlation that may open up a new approach to experimentally accessing the laser-sub-cycle intramolecular electron dynamics also in larger molecules.

中文翻译：

激光-分子相互作用中定向键断裂的广义相敏感性。

我们使用以下公式建立了激光诱导定向键断裂的相位敏感性的广义图：

H_{2}

以分子为例。我们表明，众所周知的质子喷射各向异性是用少周期脉冲测量的，作为其载流子包络相位的函数，是作为本征各向异性的幅度调制而产生的，该本征各向异性对电离时的激光相位敏感，并由分子的电子结构。我们的工作还揭示了强烈的电子-质子相关性，这可能开辟一种新的方法来通过实验研究较大分子中的激光子循环分子内电子动力学。

更新日期：2020-07-10

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