Evidence for multimagnon-mediated nuclear spin relaxation in the intertwining double-chain ferrimagnet Ca3Cu3(PO 4)4

Shoji Yamamoto, Hiromitsu Hori, Yuji Furukawa, Yusuke Nishisaka, Yuzuru Sumida, Kiyotaka Yamada, Ken Ichi Kumagai, Takayuki Asano, Yuji Inagaki

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7 Citations (Scopus)

Abstract

The nuclear spin-lattice relaxation time T1 of 31P nuclei in the title compound is measured for the first time and interpreted in terms of a modified spin-wave theory. We establish a novel scenario for one-dimensional ferrimagnetic spin dynamics - it is three-magnon processes enhanced by exchange scattering, rather than Raman processes, that make the major contribution to 1/T1.

Original languageEnglish
Article number074703
Journaljournal of the physical society of japan
Volume75
Issue number7
DOIs
Publication statusPublished - Jul 2006

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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