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  Dynamics of screening in photodoped Mott insulators

Golež, D., Eckstein, M., & Werner, P. (2015). Dynamics of screening in photodoped Mott insulators. Physical Review B, 92(19): 195123. doi:10.1103/PhysRevB.92.195123.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-308E-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-6066-F
Genre: Journal Article

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http://arxiv.org/abs/1507.07953 (Preprint)
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 Creators:
Golež, Denis1, Author
Eckstein, Martin2, 3, Author              
Werner, Philipp1, Author
Affiliations:
1Department of Physics, University of Fribourg, 1700 Fribourg, Switzerland, ou_persistent22              
2CFEL, 22761 Hamburg, Germany, ou_persistent22              
3Theory of Correlated Systems out of Equilibrium, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938296              

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Free keywords: Condensed Matter; Strongly Correlated Electrons; PACS numbers: 71.10.Fd, 72.10.Di, 05.70.Ln
 Abstract: We use a nonequilibrium implementation of extended dynamical mean-field theory in combination with a noncrossing approximation impurity solver to study the effect of dynamical screening in photoexcited Mott insulators. The insertion of doublons and holes adds low-energy screening modes and leads to a reduction of the Mott gap. The coupling to low-energy bosonic modes furthermore opens new relaxation channels and significantly speeds up the thermalization process. We also investigate the effect of the energy distribution of the photo doped carriers on the screening.

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Language(s): eng - English
 Dates: 2015-07-282015-10-082015-07-292015-11-122015-11-15
 Publication Status: Published in print
 Pages: 17
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: arXiv: 1507.07953
DOI: 10.1103/PhysRevB.92.195123
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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 92 (19) Sequence Number: 195123 Start / End Page: - Identifier: ISSN: 1098-0121
CoNE: /journals/resource/954925225008