Magnon density of states in yttrium iron garnet

Shamoto, Shinichi ; Matsuura, Masato*; Akatsu, Mitsuhiro*; Ito, Takashi ; Kajimoto, Ryoichi ; Mori, Michiyasu ; Onishi, Hiroaki ; Nakamura, Mitsutaka ; Kawamura, Seiko ; Shibata, Kaoru ; Nemoto, Yuichi*; Maekawa, Sadamichi

We have studied the magnon density of state in yttrium iron garnet ranging from 0.02 meV to 20 meV by using spectrometers, DNA, AMATERAS, and 4SEASONS, at J-PARC/MLF. The E-dependence is well reproduced by a simple square-root function in this energy range.

Language	:	English
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Meeting title	:	11th International Conference on Neutron Scattering (ICNS 2017)
Held date	:	2017/07
Location (city)	:	Daejeon
Location (country)	:	Korea
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Keywords	:	中性子散乱; YIG; マグノン
Research Facility	:	J-PARC物質・生命科学実験施設
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Registration No. : BB20170196
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