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Physics > Atomic Physics

arXiv:1811.05341 (physics)
[Submitted on 13 Nov 2018 (v1), last revised 24 May 2019 (this version, v2)]

Title:Fano's propensity rule in angle-resolved attosecond pump-probe photoionization

Authors:David Busto, Jimmy Vinbladh, Shiyang Zhong, Marcus Isinger, Saikat Nandi, Sylvain Maclot, Per Johnsson, Mathieu Gisselbrecht, Anne L'Huillier, Eva Lindroth, Jan Marcus Dahlström
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Abstract:In a seminal article, Fano predicts that absorption of light occurs preferably with increase of angular momentum. Here we generalize Fano's propensity rule to laser-assisted photoionization, consisting of absorption of an extreme-ultraviolet photon followed by absorption or emission of an infrared photon. The predicted asymmetry between absorption and emission leads to incomplete quantum interference in attosecond photoelectron interferometry. It explains both the angular-dependence of the photoionization time delays and the delay-dependence of the photoelectron angular distributions. Our theory is verified by experimental results in Ar in the 20-40 eV range.
Subjects: Atomic Physics (physics.atom-ph)
Cite as: arXiv:1811.05341 [physics.atom-ph]
  (or arXiv:1811.05341v2 [physics.atom-ph] for this version)
  https://doi.org/10.48550/arXiv.1811.05341
Journal reference: Phys. Rev. Lett. 123, 133201 (2019)
Related DOI: https://doi.org/10.1103/PhysRevLett.123.133201

Submission history

From: David Busto [view email]
[v1] Tue, 13 Nov 2018 14:45:32 UTC (520 KB)
[v2] Fri, 24 May 2019 15:59:49 UTC (549 KB)
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