Attosecond electron–spin dynamics in Xe 4d photoionization

Creator/Principal investigator(s)

Shiyang Zhong - Lund University, Department of Physics

Description

We study photoionization time delays in Xe in the 70-100 eV range by combining attosecond interferometry with coincidence spectroscopy. Supported by calculations using the relativistic random phase approximation, we identify two interfering ionization processes: the giant dipole resonance due to collective effects in 4d to continuum f excitation with a fast decay time of a few tens of attoseconds and a narrow resonance at threshold induced by spin-flip transitions, with much longer decay time of several hundreds attoseconds. Our results provide new insight into the complex electron-spin dynamics of photo-induced phenomena.

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Responsible department/unit

Creator/Principal investigator(s)

Shiyang Zhong - Lund University, Department of Physics

Identifiers

SND-ID: 2020-64

Description

We study photoionization time delays in Xe in the 70-100 eV range by combining attosecond interferometry with coincidence spectroscopy. Supported by calculations using the relativistic random phase approximation, we identify two interfering ionization processes: the giant dipole resonance due to collective effects in 4d to continuum f excitation with a fast decay time of a few tens of attoseconds and a narrow resonance at threshold induced by spin-flip transitions, with much longer decay time of several hundreds attoseconds. Our results provide new insight into the complex electron-spin dynamics of photo-induced phenomena.

Language

English

Data contains personal data

No

Funding

Funding agency: Swedish Research Council

Funding agency: European Research Council

Funding agency’s reference number: PALP-33925

Funding agency: Knut and Alice Wallenberg Foundation

Funding agency: Olle Engkvist’s Foundation

Publications

Shiyang Zhong, Jimmy Vinbladh, David Busto, Richard J. Squibb, Marcus Isinger, Lana Neoricic, Hugo Laurell, Robin Weissenbilder, Cord L. Arnold, Raimund Feifel, Jan Marcus Dahlstrom, Goran Wendin, Mathieu Gisselbrecht, Eva Lindroth, and Anne L’Huillier, Attosecond electron–spin dynamics in Xe 4d photoionization, submitted to Nature Communications.
DOI: https://doi.org/10.1038/s41467-020-18847-1

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Version 1

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Attosecond electron–spin dynamics in Xe 4d photoionization

Citation

Shiyang Zhong. Lund University, Department of Physics (2020). <em>Attosecond electron–spin dynamics in Xe 4d photoionization</em>. Swedish National Data Service. Version 1. <a href="https://doi.org/10.5878/rhak-nd96">https://doi.org/10.5878/rhak-nd96</a>

Creator/Principal investigator(s)

Shiyang Zhong - Lund University, Department of Physics

Description

The dataset includes the recorded electron time of flight (seqxx.csv) and electron kinetic energy (seqxxe.csv) for each laser shot. Scan01, 03, 04, 06, 07 is RABBIT scan in Xenon and Scan 02, 05 is RABBIT scan in Neon.

Data format / data structure

Numeric

Published: 2020-10-07
Last updated: 2020-10-07