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  Role of electron scattering on the high-order harmonic generation from solids

Wang, C.-M., Tancogne-Dejean, N., Altarelli, M., Rubio, A., & Sato, S. (2020). Role of electron scattering on the high-order harmonic generation from solids. Physical Review Research, 2(3): 033333. doi:10.1103/PhysRevResearch.2.033333.

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PhysRevResearch.2.033333.pdf (Publisher version), 3MB
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PhysRevResearch.2.033333.pdf
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Open Access. - Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Open access publication funded by the Max Planck Society.
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2020
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https://arxiv.org/abs/2004.09049 (Preprint)
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 Creators:
Wang, C.-M.1, Author              
Tancogne-Dejean, N.1, Author              
Altarelli, M.1, Author              
Rubio, A.1, Author              
Sato, S.1, 2, Author              
Affiliations:
1Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266715              
2Center for Computational Sciences, University of Tsukuba, ou_persistent22              

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 Abstract: We extend the semiclassical trajectory description for the high-order harmonic generation (HHG) from solids by integrating the effect of electron-scattering. Comparing the extended semiclassical trajectory model with a one-dimensional quantum mechanical simulation, we find that the multiplateau feature of the HHG spectrum is formed by Umklapp scattering under the electron-hole acceleration dynamics by laser fields. Furthermore, by tracing the scattered trajectories in real-space, the model fairly describes the emitted photon energy and the emission timing of the HHG even in the higher plateau regions. We further consider the loss of trajectories by scattering processes with a mean-free-path approximation and evaluate the HHG cutoff energy as a function of laser wavelength. As a result, we find that the trajectory loss by scattering causes the wavelength independence of the HHG from solids.

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Language(s): eng - English
 Dates: 2020-04-202020-08-072020-08-28
 Publication Status: Published online
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 Rev. Type: Peer
 Identifiers: arXiv: 2004.09049
DOI: 10.1103/PhysRevResearch.2.033333
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Title: Physical Review Research
Source Genre: Journal
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Publ. Info: College Park, Maryland, United States : American Physical Society (APS)
Pages: - Volume / Issue: 2 (3) Sequence Number: 033333 Start / End Page: - Identifier: ISSN: 2643-1564
CoNE: https://pure.mpg.de/cone/journals/resource/2643-1564