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  Light-matter interactions via the exact factorization approach

Hoffmann, N., Appel, H., Rubio, A., & Maitra, N. T. (2018). Light-matter interactions via the exact factorization approach. The European Physical Journal B: Condensend Matter Physics, 91(8): 180. doi:10.1140/epjb/e2018-90177-6.

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Hoffmann2018_Article_Light-matterInteractionsViaThe.pdf (Publisher version), 2MB
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Hoffmann2018_Article_Light-matterInteractionsViaThe.pdf
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This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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2018
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https://dx.doi.org/10.1140/epjb/e2018-90177-6 (Publisher version)
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 Creators:
Hoffmann, N.1, 2, 3, 4, Author           
Appel, H.2, 3, Author
Rubio, A.2, 3, 5, Author
Maitra, N. T.4, 6, Author
Affiliations:
1International Max Planck Research School for Ultrafast Imaging & Structural Dynamics (IMPRS-UFAST), Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266714              
2Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_persistent22              
3Center for Free-Electron Laser Science and Department of Physics, ou_persistent22              
4Department of Physics and Astronomy, Hunter College of the City University of New York, ou_persistent22              
5Center for Computational Quantum Physics, Flatiron Institute, ou_persistent22              
6The Physics Program and the Chemistry Program of the Graduate Center of the City University of New York, ou_persistent22              

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 Abstract: The exact factorization approach, originally developed for electron-nuclear dynamics, is extended to light-matter interactions within the dipole approximation. This allows for a Schrodinger equation for the photonic wavefunction, in which the potential contains exactly the effects on the photon field of its coupling to matter. We illustrate the formalism and potential for a two-level system representing the matter, coupled to an infinite number of photon modes in the Wigner-Weisskopf approximation, as well as a single mode with various coupling strengths. Significant differences are found with the potential used in conventional approaches, especially for strong-couplings. We discuss how our exact factorization approach for light-matter interactions can be used as a guideline to develop semiclassical trajectory methods for efficient simulations of light-matter dynamics.

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Language(s): eng - English
 Dates: 2018-06-012018-03-162018-08-062018-08
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: arXiv: 1803.02020
DOI: 10.1140/epjb/e2018-90177-6
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Project name : We acknowledge financial support from the European Research Council (ERC-2015-AdG-694097) and European Union’s H2020 programme under GA no. 676580 (NOMAD) (NMH, HA, and AR). Financial support from the US National Science Foundation CHE-1566197 is also gratefully acknowledged (NTM). Open access funding provided by Max Planck Society.
Grant ID : 676580
Funding program : Horizon 2020 (H2020)
Funding organization : European Commission (EC)

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Title: The European Physical Journal B: Condensend Matter Physics
  Abbreviation : EPJ B
Source Genre: Journal
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Publ. Info: Les Ulis; Heidelberg : EDP Sciences; Springer
Pages: - Volume / Issue: 91 (8) Sequence Number: 180 Start / End Page: - Identifier: ISSN: 1434-6028
CoNE: https://pure.mpg.de/cone/journals/resource/954927001233_2