by Revelli, A., Sala, M. Moretti, Monaco, G., Becker, P. and Bohaty, L., Hermanns, M., Koethe, T. C., Froehlich, T. and Warzanowski, P., Lorenz, T., Streltsov, S. V., van Loosdrecht, P. H. M., Khomskii, D. I., van den Brink, J. and Grueninger, M.
Abstract:
Young’s archetypal double-slit experiment forms the basis for modern diffraction techniques: The elastic scattering of waves yields an interference pattern that captures the real-space structure. Here, we report on an inelastic incarnation of Young’s experiment and demonstrate that resonant inelastic x-ray scattering (RIXS) measures interference patterns, which reveal the symmetry and character of electronic excited states in the same way as elastic scattering does for the ground state. A prototypical example is provided by the quasi-molecular electronic structure of insulating Ba3CeIr2O9 with structural Ir dimers and strong spin-orbit coupling. The double “slits” in this resonant experiment are the highly localized core levels of the two Ir atoms within a dimer. The clear double-slit-type sinusoidal interference patterns that we observe allow us to characterize the electronic excitations, demonstrating the power of RIXS interferometry to unravel the electronic structure of solids containing, e.g., dimers, trimers, ladders, or other superstructures.
Reference:
Resonant inelastic x-ray incarnation of Young’s double-slit experiment (Revelli, A., Sala, M. Moretti, Monaco, G., Becker, P. and Bohaty, L., Hermanns, M., Koethe, T. C., Froehlich, T. and Warzanowski, P., Lorenz, T., Streltsov, S. V., van Loosdrecht, P. H. M., Khomskii, D. I., van den Brink, J. and Grueninger, M.), In SCIENCE ADVANCES, AMER ASSOC ADVANCEMENT SCIENCE, volume 5, 2019.
Bibtex Entry:
@article{ ISI:000457547900042,
Author = {Revelli, A. and Sala, M. Moretti and Monaco, G. and Becker, P. and
   Bohaty, L. and Hermanns, M. and Koethe, T. C. and Froehlich, T. and
   Warzanowski, P. and Lorenz, T. and Streltsov, S. V. and van Loosdrecht,
   P. H. M. and Khomskii, D. I. and van den Brink, J. and Grueninger, M.},
Title = {{Resonant inelastic x-ray incarnation of Young's double-slit experiment}},
Journal = {{SCIENCE ADVANCES}},
Year = {{2019}},
Volume = {{5}},
Number = {{1}},
Month = {{JAN}},
Abstract = {{Young's archetypal double-slit experiment forms the basis for modern
   diffraction techniques: The elastic scattering of waves yields an
   interference pattern that captures the real-space structure. Here, we
   report on an inelastic incarnation of Young's experiment and demonstrate
   that resonant inelastic x-ray scattering (RIXS) measures interference
   patterns, which reveal the symmetry and character of electronic excited
   states in the same way as elastic scattering does for the ground state.
   A prototypical example is provided by the quasi-molecular electronic
   structure of insulating Ba3CeIr2O9 with structural Ir dimers and strong
   spin-orbit coupling. The double ``slits{''} in this resonant experiment
   are the highly localized core levels of the two Ir atoms within a dimer.
   The clear double-slit-type sinusoidal interference patterns that we
   observe allow us to characterize the electronic excitations,
   demonstrating the power of RIXS interferometry to unravel the electronic
   structure of solids containing, e.g., dimers, trimers, ladders, or other
   superstructures.}},
Publisher = {{AMER ASSOC ADVANCEMENT SCIENCE}},
Address = {{1200 NEW YORK AVE, NW, WASHINGTON, DC 20005 USA}},
Type = {{Article}},
Language = {{English}},
Affiliation = {{Gruninger, M (Corresponding Author), Univ Cologne, Phys Inst 2, Zulpicher Str 77, D-50937 Cologne, Germany.
   Revelli, A.; Koethe, T. C.; Froehlich, T.; Warzanowski, P.; Lorenz, T.; van Loosdrecht, P. H. M.; Khomskii, D. I.; Grueninger, M., Univ Cologne, Phys Inst 2, Zulpicher Str 77, D-50937 Cologne, Germany.
   Sala, M. Moretti, European Synchrotron Radiat Facil, BP 220, F-38043 Grenoble, France.
   Sala, M. Moretti, Politecn Milan, Dipartimento Fis, Piazza Leonardo da Vinci 32, I-20133 Milan, Italy.
   Monaco, G., Univ Trento, Dipartimento Fis, Via Sommar 14, I-38123 Povo, TN, Italy.
   Becker, P.; Bohaty, L., Inst Geol & Mineral, Abt Kristallog, Zulpicher Str 49b, D-50674 Cologne, Germany.
   Hermanns, M., Univ Cologne, Inst Theoret Phys, Zulpicher Str 77, D-50937 Cologne, Germany.
   Hermanns, M., Univ Gothenburg, Dept Phys, SE-41296 Gothenburg, Sweden.
   Hermanns, M., Stockholm Univ, AlbaNova Univ Ctr, Dept Phys, SE-10691 Stockholm, Sweden.
   Hermanns, M., KTH Royal Inst Technol, Nordita, Roslagstullsbacken 23, SE-10691 Stockholm, Sweden.
   Hermanns, M., Stockholm Univ, Roslagstullsbacken 23, SE-10691 Stockholm, Sweden.
   Streltsov, S. V., Russian Acad Sci, MN Mikheev Inst Met Phys, Ural Branch, Ekaterinburg 620137, Russia.
   Streltsov, S. V., Ural Fed Univ, Mira St 19, Ekaterinburg 620002, Russia.
   van den Brink, J., IFW Dresden, Inst Theoret Solid State Phys, Helmholtzstr 20, D-01069 Dresden, Germany.}},
DOI = {{10.1126/sciadv.aav4020}},
Article-Number = {{eaav4020}},
ISSN = {{2375-2548}},
Keywords-Plus = {{SCATTERING; PHYSICS}},
Research-Areas = {{Science & Technology - Other Topics}},
Web-of-Science-Categories  = {{Multidisciplinary Sciences}},
Author-Email = {{grueninger@ph2.uni-koeln.de}},
ResearcherID-Numbers = {{van Loosdrecht, Paul H.M./AAF-8505-2020
   Lorenz, Thomas/J-2955-2017
   Hermanns, Maria/AAV-7120-2020
   Hermanns, Maria/M-5112-2015
   revelli, alberto/AAF-1997-2020
   Lorenz, Thomas/AAC-3331-2020
   van den Brink, Jeroen/Y-3931-2019
   Streltsov, Sergey/A-6674-2012
   Monaco, Giulio/AAW-4387-2020
   Moretti, Marco/AAF-9255-2019
   }},
ORCID-Numbers = {{van Loosdrecht, Paul H.M./0000-0002-3704-9890
   Lorenz, Thomas/0000-0003-4832-5157
   Hermanns, Maria/0000-0003-2258-1945
   Hermanns, Maria/0000-0003-2258-1945
   Lorenz, Thomas/0000-0003-4832-5157
   Streltsov, Sergey/0000-0002-2823-1754
   Monaco, Giulio/0000-0003-2497-6422
   Moretti, Marco/0000-0002-9744-9976
   Revelli, Alessandro/0000-0002-1284-4142}},
Funding-Acknowledgement = {{Deutsche Forschungsgemeinschaft (DFG; German Research Foundation)German
   Research Foundation (DFG) {[}277146847, 247310070-CRC 1238, CRC 1143];
   Russian Science FoundationRussian Science Foundation (RSF)
   {[}17-12-01207]}},
Funding-Text = {{This project was funded by the Deutsche Forschungsgemeinschaft (DFG;
   German Research Foundation)-project numbers 277146847 and 247310070-CRC
   1238 (projects A02, B01, B02, B03, and C02) and CRC 1143 (project A05),
   respectively. The work of S.V.S. was supported by the Russian Science
   Foundation through project 17-12-01207.}},
Number-of-Cited-References = {{35}},
Times-Cited = {{6}},
Usage-Count-Last-180-days = {{0}},
Usage-Count-Since-2013 = {{8}},
Journal-ISO = {{Sci. Adv.}},
Doc-Delivery-Number = {{HJ9VR}},
Unique-ID = {{ISI:000457547900042}},
OA = {{DOAJ Gold, Green Published}},
DA = {{2020-12-22}},
}

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