The interplay of local electron correlations and ultrafast spin dynamics in fcc Ni

Tobias Lojewski; Mohamed F. Elhanoty; Loïc Le Guyader; Oscar Grånäs; Naman Agarwal; Christine Boeglin; Robert Carley; Andrea Castoldi; Christian David; Carsten Deiter; Florian Döring; RobinY Engel; Florian Erdinger; Hans Fangohr; Carlo Fiorini; Peter Fischer; Natalia Gerasimova; Rafael Gort; Frank deGroot; Karsten Hansen; Steffen Hauf; David Hickin; Manuel Izquierdo; Benjamin E. Van Kuiken; Yaroslav Kvashnin; Charles-Henri Lambert; David Lomidze; Stefano Maffessanti; Laurent Mercadier; Giuseppe Mercurio; Piter S. Miedema; Katharina Ollefs; Matthias Pace; Matteo Porro; Javad Rezvani; Benedikt Rösner; Nico Rothenbach; Andrey Samartsev; Andreas Scherz; Justina Schlappa; Christian Stamm; Martin Teichmann; Patrik Thunström; Monica Turcato; Alexander Yaroslavtsev; Jun Zhu; Martin Beye; Heiko Wende; Uwe Bovensiepen; Olle Eriksson; Andrea Eschenlohr

doi:10.1080/21663831.2023.2210606

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The interplay of local electron correlations and ultrafast spin dynamics in fcc Ni

Report | 更新时间：2026-08-19

- The interplay of local electron correlations and ultrafast spin dynamics in fcc Ni
- Materials Research Letters Vol. 11, Issue 8, Pages: 655-661(2023)
- 作者机构：
  
  1. a Faculty of Physics and Center for Nanointegration Duisburg-Essen (CENIDE) University of Duisburg-Essen
  2. b Department of Physics and Astronomy Uppsala University
  3. d CNRS Institut de Physique et Chimie des Matériaux de Strasbourg Université de Strasbourg
  4. e Dipartimento di Elettronica Informazione e Bioingegneria Politecnico di Milano Milano Italy
  5. f Istituto Nazionale di Fisica Nucleare Sez.,Milano
  6. g Paul Scherrer Institut
  7. i Institute for Computer Engineering University of Heidelberg
  8. j Max-Planck Institute for the Structure and Dynamics of Matter Hamburg Germany
  9. k University of Southampton
  10. l Materials Chemistry and Catalysis (MCC) Debye Institute for Nanomaterials Science Utrecht University
  11. m Department of Materials ETH Zurich
  12. n Department of Molecular Sciences and Nanosystems Ca' Foscari University of Venice
  13. o Laboratori Nazionali di Frascati INFN
  14. c European XFEL Schenefeld Germany
  15. h Deutsches Elektronen-Synchrotron DESY
  16. m Department of Materials ETH Zurich Zurich Switzerland
  17. p Institute for Electric Power Systems University of Applied Sciences and Arts Northwestern Switzerland
  18. b Department of Physics and Astronomy Uppsala University Uppsala Sweden
  19. c European XFEL
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2023.2210606
  CLC：
- Online First：11 May 2023，
  
  Published：2023
- 稿件说明：
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Tobias Lojewski, Mohamed F. Elhanoty, Loïc Le Guyader, et al. The interplay of local electron correlations and ultrafast spin dynamics in fcc Ni[J]. Materials Research Letters, 2023, 11(8): 655-661.
DOI：

Tobias Lojewski, Mohamed F. Elhanoty, Loïc Le Guyader, et al. The interplay of local electron correlations and ultrafast spin dynamics in fcc Ni[J]. Materials Research Letters, 2023, 11(8): 655-661. DOI： 10.1080/21663831.2023.2210606.

摘要

Abstract

The complex electronic structure of metallic ferromagnets is determined by a balance between exchange interaction

electron hopping leading to band formation

and local Coulomb repulsion. By combining high energy and temporal resolution in femtosecond time-resolved

-ray absorption spectroscopy with

ab initio

time-dependent density functional theory we analyze the electronic structure in fcc Ni on the time scale of these interactions in a pump-probe experiment. We distinguish transient broadening and energy shifts in the absorption spectra

which we demonstrate to be captured by electron repopulation respectively correlation-induced modifications of the electronic structure

requiring to take the local Coulomb interaction into account.

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