Possible singlet-triplet transition of ESR in the kagome-lattice antiferromagnet

Sakai, Toru; Hijii, Keigo*; Okubo, Susumu*; Ota, Hitoshi*; Nakano, Hiroki*; Miyashita, Seiji*

The S=1/2 kagome-lattice antiferromagnet is investigated by the numerical diagonalization of 18-spin finite-size cluster. The matrix elements proportional to the intensity of the singlet-triplet ESR transition are calculated in the presence of the Dzyaloshinsky-Moriya interaction. Some angle-dependent selection rules is also proposed.

Language	:	English
Journal	:	Applied Magnetic Resonance
Volume	:	46
Number	:	9
Pages	:	p.997 - 1002
Publication Year/Month	:	2015/09
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Paper URL	:	https://doi.org/10.1007/s00723-015-0652-9
DOI for research data	:
Keywords	:	ESR; スピンギャップ系; フラストレーション
Research Facility	:	SPring-8(大型放射光施設)
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Registration No. : AA20150831
JAEA Abstracts No. : 44000345
Paper Submission No. : 17022

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