Setting the photoelectron clock through molecular alignment

Trabattoni, A.; Wiese, J.; de Giovannini, U.; Olivieri, J.-F.; Mullins, T.; Onvlee, J.; Son, S.-K.; Frusteri, B.; Rubio, A.; Trippel, S.; Küpper, J.

doi:10.1038/s41467-020-16270-0

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Setting the photoelectron clock through molecular alignment

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de Giovannini, U.
Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Center for Free-Electron Laser Science;

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Rubio, A.
Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Center for Computational Quantum Physics (CCQ), The Flatiron Institute;
Department of Physics, Universität Hamburg;

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https://arxiv.org/abs/1802.06622
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https://dx.doi.org/10.1038/s41467-020-16270-0
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Citation

Trabattoni, A., Wiese, J., de Giovannini, U., Olivieri, J.-F., Mullins, T., Onvlee, J., et al. (2020). Setting the photoelectron clock through molecular alignment. Nature Communications, 11(1): 2546. doi:10.1038/s41467-020-16270-0.

Cite as: https://hdl.handle.net/21.11116/0000-0001-B02B-8

Abstract

The interaction of strong laser fields with matter intrinsically provides a powerful tool for imaging transient dynamics with an extremely high spatiotemporal resolution. Here, we study strong-field ionisation of laser-aligned molecules, and show a full real-time picture of the photoelectron dynamics in the combined action of the laser field and the molecular interaction. We demonstrate that the molecule has a dramatic impact on the overall strong-field dynamics: it sets the clock for the emission of electrons with a given rescattering kinetic energy. This result represents a benchmark for the seminal statements of molecular-frame strong-field physics and has strong impact on the interpretation of self-diffraction experiments. Furthermore, the resulting encoding of the time-energy relation in molecular-frame photoelectron momentum distributions shows the way of probing the molecular potential in real-time, and accessing a deeper understanding of electron transport during strong-field interactions.