Magnon Broadening Effects in Double Layered Manganite La_1.2 Sr_1.8 Mn_2 O_7

Preprint English OPEN
Furukawa, Nobuo; Hirota, Kazuma;
  • Related identifiers: doi: 10.1016/S0921-4526(99)02284-X
  • Subject: Condensed Matter - Strongly Correlated Electrons | Condensed Matter - Materials Science
    arxiv: Condensed Matter::Strongly Correlated Electrons | Condensed Matter::Materials Science | Condensed Matter::Superconductivity | Condensed Matter::Other

Magnon linewidth of La_1.2 Sr_1.8 Mn_2 O_7 near the Brillouin zone boundary is investigated from both theoretical and experimental points of view. Abrupt magnon broadening is ascribed to a strong magnon-phonon coupling. Magnon broadening observed in cubic perovskite man... View more
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