Attosecond electron–spin dynamics in Xe 4d photoionization

SND-ID: 2020-64-1. Version: 1. DOI: https://doi.org/10.5878/rhak-nd96

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Citation

Creator/Principal investigator(s)

Shiyang Zhong - Lund University, Department of Physics

Research principal

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.

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 contains personal data

Language

English

Method and outcome

Data format / data structure

Numeric

Data collection

Geographic coverage

Administrative information

Responsible department/unit

Department of Physics

Funding 1

Funding agency: Swedish Research Council

Funding 2

Funding agency: European Research Council
Funding agency's reference number: PALP-33925

Funding 3

Funding agency: Knut and Alice Wallenberg Foundation

Funding 4

Funding agency: Olle Engkvist’s Foundation

Topic and keywords

Research area

Physical sciences (Standard för svensk indelning av forskningsämnen 2011)

Atom and molecular physics and optics (Standard för svensk indelning av forskningsämnen 2011)

Keywords

Physics, Attosecond interferometry, Coincidence spectroscopy, Random phase approximation, Giant dipole, Electron-spin dynamics, Attosecond, Photoionization

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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