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Mathieu Gisselbrecht

Researcher at Lund University

Publications -  124
Citations -  3386

Mathieu Gisselbrecht is an academic researcher from Lund University. The author has contributed to research in topics: Ionization & Photoionization. The author has an hindex of 25, co-authored 112 publications receiving 2741 citations. Previous affiliations of Mathieu Gisselbrecht include University of Paris-Sud & Saclay Nuclear Research Centre.

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Probing single-photon ionization on the attosecond time scale.

TL;DR: The determination of photoemission time delays requires taking into account the measurement process, involving the interaction with a probing infrared field, and this contribution can be estimated using a universal formula and is found to account for a substantial fraction of the measured delay.
Journal ArticleDOI

Photoionization in the time and frequency domain

TL;DR: In this paper, the authors determined photoionization time delays in neon atoms over a 40-electron volt energy range with an interferometric technique combining high temporal and spectral resolution.
Journal ArticleDOI

Photoionization in the time and frequency domain

TL;DR: An ultrafast process is presented that can account for and distinguish the different contributions to the photoemission processes in neon atoms, and spectrally disentangle direct ionization from ionization with shake-up, obtaining excellent agreement with theoretical calculations, thereby solving a puzzle raised by 7-year-old measurements.