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  Energy dissipation from a correlated system driven out of equilibrium

Rameau, J. D., Freutel, S., Kemper, A. F., Sentef, M. A., Freericks, J. K., Avigo, I., et al. (2016). Energy dissipation from a correlated system driven out of equilibrium. Nature Communications, 7: 13761. doi:10.1038/ncomms13761.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-8E7D-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-A48E-5
Genre: Journal Article

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ncomms13761.pdf (Publisher version), 651KB
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2016
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https://dx.doi.org/10.1038/ncomms13761 (Publisher version)
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 Creators:
Rameau, J. D.1, Author
Freutel, S.2, Author
Kemper, A. F.3, 4, Author
Sentef, M. A.5, 6, 7, Author              
Freericks, J. K.8, Author
Avigo, I.2, Author
Ligges, M.2, Author
Rettig, L.2, Author
Yoshida, Y.9, Author
Eisaki, H.9, Author
Schneeloch, J.1, Author
Zhong, R. D.1, Author
Xu, Z. J.1, Author
Gu, G. D.1, Author
Johnson, P. D.1, Author
Bovensiepen, U.2, Author
Affiliations:
1Brookhaven National Laboratory, Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, ou_persistent22              
2Faculty of Physics and Center for Nanointegration Duisburg-Essen (Cenide), University Duisburg-Essen, ou_persistent22              
3Department of Physics, North Carolina State University, Raleigh, ou_persistent22              
4Lawrence Berkeley National Laboratory,, ou_persistent22              
5HISKP, University of Bonn, ou_persistent22              
6Center for Free Electron Laser Science, ou_persistent22              
7Theoretical Description of Pump-Probe Spectroscopies in Solids, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_3012828              
8Department of Physics, Georgetown University, ou_persistent22              
9National Institute of Advanced Industrial Science and Technology, Tsukuba, ou_persistent22              

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 Abstract: In complex materials various interactions have important roles in determining electronic properties. Angle-resolved photoelectron spectroscopy (ARPES) is used to study these processes by resolving the complex single-particle self-energy and quantifying how quantum interactions modify bare electronic states. However, ambiguities in the measurement of the real part of the self-energy and an intrinsic inability to disentangle various contributions to the imaginary part of the self-energy can leave the implications of such measurements open to debate. Here we employ a combined theoretical and experimental treatment of femtosecond time-resolved ARPES (tr-ARPES) show how population dynamics measured using tr-ARPES can be used to separate electron–boson interactions from electron–electron interactions. We demonstrate a quantitative analysis of a well-defined electron–boson interaction in the unoccupied spectrum of the cuprate Bi2Sr2CaCu2O8+x characterized by an excited population decay time that maps directly to a discrete component of the equilibrium self-energy not readily isolated by static ARPES experiments.

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Language(s): eng - English
 Dates: 2016-03-282016-10-312016-12-20
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1038/ncomms13761
 Degree: -

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Project name : Work at Brookhaven National Laboratory was supported by the Center for Emergent Superconductivity, an Energy Frontier Research Center, headquartered at Brookhaven National Laboratory and funded by the US Department of Energy, under Contract No. DE-2009-BNL-PM015. This work was supported, in part. by National Science Founda- tion Grant No. PHYS-1066293 and the hospitality of the Aspen Center for Physics. A.F.K. was supported by the Laboratory Directed Research and Development Program of Lawrence Berkeley National Laboratory under US Department of Energy Contract No. DE-AC02-05CH11231. J.K.F. was supported by the Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering (DMSE) under Contract No. DE-FG02-08ER46542, and by the McDevitt bequest at Georgetown. M.A.S. received further support from the Deutsche Forschungsgemeinschaft (DFG) through the Emmy Noether program. Computational resources were provided by the National Energy Research Scientific Computing Center supported by the Department of Energy, Office of Science, under Contract No. DE-AC02-05CH11231. We acknowledge further funding from the Deutsche Forschungsgemeinschaft through SFB 616 and SPP 1458, from the Mercator Research Center Ruhr through Grant No. PR-2011-0003 and from the European Union within the seventh Framework Program under Grant No. 280555 (GO FAST).
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Title: Nature Communications
  Abbreviation : Nat. Commun.
Source Genre: Journal
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Publ. Info: London : Nature Publishing Group
Pages: - Volume / Issue: 7 Sequence Number: 13761 Start / End Page: - Identifier: DOI: 10.1038/ncomms13761