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  High-harmonic spectroscopy of strongly bound excitons in solids

Jensen, S. V. B., Madsen, L. B., Rubio, A., & Tancogne-Dejean, N. (2024). High-harmonic spectroscopy of strongly bound excitons in solids. Physical Review A, 109(6): 063104. doi:10.1103/PhysRevA.109.063104.

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PhysRevA.109.063104.pdf (Publisher version), 3MB
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2024
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© American Physical Society
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https://arxiv.org/abs/2307.14693 (Preprint)
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https://doi.org/10.1103/PhysRevA.109.063104 (Publisher version)
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 Creators:
Jensen, S. V. B.1, Author
Madsen, L. B.1, Author
Rubio, A.2, 3, 4, Author           
Tancogne-Dejean, N.2, 3, Author           
Affiliations:
1Department of Physics and Astronomy, Aarhus University, ou_persistent22              
2Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266715              
3Center for Free-Electron Laser Science Institute, ou_persistent22              
4Center for Computational Quantum Physics (CCQ), The Flatiron Institute, ou_persistent22              

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 Abstract: We explore the nonlinear response of ultrafast strong-field-driven excitons in a one-dimensional solid with ab initio simulations. We demonstrate from our simulations and analytical model that a finite population of excitons imprints unique signatures to the high-harmonic spectra of materials. We show the exciton population can be retrieved from the spectra. We further demonstrate signatures of exciton recombination and that a shift of the exciton level is imprinted into the harmonic signal. The results open the door to high-harmonic spectroscopy of excitons in condensed-matter systems.

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Language(s): eng - English
 Dates: 2024-03-222023-07-072024-05-082024-06-042024-06
 Publication Status: Issued
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 Rev. Type: Peer
 Identifiers: arXiv: 2307.14693
DOI: 10.1103/PhysRevA.109.063104
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Project name : This work was supported by the Independent Research Fund Denmark (Grant No. 9040-00001B). S.V.B.J. further acknowledges support from the Danish Ministry of Higher Education and Science. Fruitful discussions with S. Latini are acknowledged. This work was supported by the Cluster of Excellence Advanced Imaging of Matter (AIM), Grupos Consolidados (IT1249-19), SFB925, “Light induced dynamics and control of correlated quantum systems.” The Flatiron Institute is a division of the Simons Foundation.
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Title: Physical Review A
  Other : Physical Review A: Atomic, Molecular, and Optical Physics
  Other : Phys. Rev. A
Source Genre: Journal
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Publ. Info: New York, NY : American Physical Society
Pages: - Volume / Issue: 109 (6) Sequence Number: 063104 Start / End Page: - Identifier: ISSN: 1050-2947
CoNE: https://pure.mpg.de/cone/journals/resource/954925225012_2