Dispersion of magnetic excitations in the cuprate La2CuO4 and CaCuO2 compounds measured using resonant X-ray scattering

Publikation: Beitrag in Fachzeitschrift › Forschungsartikel › Beigetragen › Begutachtung

Beitragende

  • L. Braicovich - , Polytechnic University of Milan (Autor:in)
  • L. J.P. Ament - , Leiden University (Autor:in)
  • V. Bisogni - , European Synchrotron Radiation Facility (Autor:in)
  • F. Forte - , Leiden University, University of Salerno (Autor:in)
  • C. Aruta - , Università degli Studi di Napoli Federico II (Autor:in)
  • G. Balestrino - , University of Rome Tor Vergata (Autor:in)
  • N. B. Brookes - , European Synchrotron Radiation Facility (Autor:in)
  • G. M. De Luca - , Università degli Studi di Napoli Federico II (Autor:in)
  • P. G. Medaglia - , University of Rome Tor Vergata (Autor:in)
  • F. Miletto Granozio - , Università degli Studi di Napoli Federico II (Autor:in)
  • M. Radovic - , Università degli Studi di Napoli Federico II (Autor:in)
  • M. Salluzzo - , Università degli Studi di Napoli Federico II (Autor:in)
  • J. Van Den Brink - , Leiden University, Radboud University Nijmegen (Autor:in)
  • G. Ghiringhelli - , Polytechnic University of Milan (Autor:in)

Abstract

By resonant inelastic x-ray scattering in the soft x-ray regime we probe the dynamical multiple-spin correlations in the antiferromagnetic cuprates La2CuO4 and CaCuO2. High resolution measurements at the copper L3 edge allow the clear observation of dispersing bimagnon excitations. Theory based on the ultrashort core-hole lifetime expansion fits the data on these coherent spin excitations without free parameters.

Details

OriginalspracheEnglisch
Aufsatznummer167401
FachzeitschriftPhysical review letters
Jahrgang102
Ausgabenummer16
PublikationsstatusVeröffentlicht - 21 Apr. 2009
Peer-Review-StatusJa
Extern publiziertJa

Schlagworte

ASJC Scopus Sachgebiete