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

doi:10.1143/JPSJ.75.074703

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

Applied Physics

Research output: Contribution to journal › Article › peer-review

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 language	English
Article number	074703
Journal	journal of the physical society of japan
Volume	75
Issue number	7
DOIs	https://doi.org/10.1143/JPSJ.75.074703
Publication status	Published - Jul 2006

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1143/JPSJ.75.074703

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Evidence for multimagnon-mediated nuclear spin relaxation in the intertwining double-chain ferrimagnet Ca₃Cu₃(PO ₄)₄. / Yamamoto, Shoji; Hori, Hiromitsu; Furukawa, Yuji; Nishisaka, Yusuke; Sumida, Yuzuru; Yamada, Kiyotaka; Kumagai, Ken Ichi; Asano, Takayuki; Inagaki, Yuji.

In: journal of the physical society of japan, Vol. 75, No. 7, 074703, 07.2006.

Research output: Contribution to journal › Article › peer-review

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AU - Sumida, Yuzuru

AU - Yamada, Kiyotaka

AU - Kumagai, Ken Ichi

AU - Asano, Takayuki

AU - Inagaki, Yuji

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