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  Photoinduced States in a Mott Insulator

Eckstein, M., & Werner, P. (2013). Photoinduced States in a Mott Insulator. Physical Review Letters, 110(12): 126401. doi:10.1103/PhysRevLett.110.126401.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-163B-8 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-2EAA-F
Genre: Journal Article

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PhysRevLett.110.126401.pdf (Publisher version), 577KB
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PhysRevLett.110.126401.pdf
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2013
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© American Physical Society
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http://arxiv.org/abs/1207.0402 (Preprint)
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 Creators:
Eckstein, Martin1, 2, Author              
Werner, Philipp3, Author
Affiliations:
1Theory of Correlated Systems out of Equilibrium, Research Groups, Max Planck Research Department for Structural Dynamics, Department of Physics, University of Hamburg, External Organizations, ou_2173641              
2CFEL, 22761 Hamburg, Germany, ou_persistent22              
3Department of Physics, University of Fribourg, 1700 Fribourg, Switzerland, ou_persistent22              

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Free keywords: PACS number: 71.10.Fd
 Abstract: We investigate the properties of the metallic state obtained by photodoping carriers into a Mott insulator. In a strongly interacting system, these carriers have a long lifetime, so that they can dissipate their kinetic energy to a phonon bath. In the relaxed state, the scattering rate saturates at a nonzero temperature-independent value, and the momentum-resolved spectral function features broad bands which differ from the well-defined quasiparticle bands of a chemically doped system. Our results indicate that a photodoped Mott insulator behaves as a bad metal, in which strong scattering between doublons and holes inhibits Fermi-liquid behavior down to low temperature.

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Language(s): eng - English
 Dates: 2012-07-112013-03-182013-03-22
 Publication Status: Published in print
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.110.126401
arXiv: 1207.0402
 Degree: -

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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 110 (12) Sequence Number: 126401 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1