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Cited by 339

The DOI matches its Crossref record; 38 of the 38 references it cites were found in a registry or an index.

Interpreting attoclock measurements of tunnelling times

Torlina, Lisa, Morales, Felipe, Kaushal, Jivesh, Ivanov, Igor, Kheifets, Anatoli, Zielinski, Alejandro, Scrinzi, Armin, Muller, Harm Geert, Sukiasyan, Suren, Ivanov, Misha, Smirnova, Olga·2015·Nature Physics
DOI 10.1038/nphys3340
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Abstract

Resolving in time the dynamics of light absorption by atoms and molecules, and the electronic rearrangement this induces, is among the most challenging goals of attosecond spectroscopy. The attoclock is an elegant approach to this problem, which encodes ionization times in the strong-field regime. However, the accurate reconstruction of these times from experimental data presents a formidable theoretical task. Here, we solve this problem by combining analytical theory with ab initio numerical simulations. We apply our theory to numerical attoclock experiments on the hydrogen atom to extract ionization time delays and analyse their nature. Strong-field ionization is often viewed as optical tunnelling through the barrier created by the field and the core potential. We show that, in the hydrogen atom, optical tunnelling is instantaneous. We also show how calibrating the attoclock using the hydrogen atom opens the way to identifying possible delays associated with multielectron dynamics during strong-field ionization. Understanding the physical mechanisms of photon–atom interactions on ultrafast timescales is challenging, but a new theoretical framework enables the interpretation of attoclock experiments measuring tunnelling times in hydrogen.

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Crossref · 10.1038/nphys3340

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Metadata

Authors
Torlina, L., Morales, F., Kaushal, J., Ivanov, I., Kheifets, A., Zielinski, A., Scrinzi, A., Muller, H. G., Sukiasyan, S., Ivanov, M., & Smirnova, O.
Venue
Nature Physics
Publisher
Springer Science and Business Media LLC
Published
2015-05-25
Volume
11
Issue
6
Pages
503-508
ISSN
  • 1745-2473 (ISSN-L)
  • 1745-2481
DOI
10.1038/nphys3340
OpenAlex
W2129576383
Cited by
339
References
38
FWCI
18.85
Type
journal article
Language
en
Open access
closed

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