Spin fluctuations in the ground state of doped quantum spin system TlCu 1-xMg xCl 3 with x = 0:0047 Probed by muon-spin-relaxation technique

Takao Suzuki; Fumiko Yamada; Isao Watanabe; Teiichiro Matsuzaki; Takayuki Goto; Akira Oosawa; Hidekazu Tanaka

doi:10.1143/JPSJ.78.074705

Spin fluctuations in the ground state of doped quantum spin system TlCu _1-xMg _xCl ₃ with x = 0:0047 Probed by muon-spin-relaxation technique

Takao Suzuki, Fumiko Yamada, Isao Watanabe, Teiichiro Matsuzaki, Takayuki Goto, Akira Oosawa, Hidekazu Tanaka

研究成果: Article › 査読

8 被引用数 (Scopus)

抄録

Zero-and longitudinal-field muon-spin-relaxation (ZF- and LF-muSR) measurements were carried out down to T - 20 mK on the slightly doped quantum spin system TlCu _1-xMg _xCl ₃ with x mdash0:0047, in which a magnetic phase transition is observed at 0.70 K by specific heat measurement. LF-μ SR measurements above and below the phase transition temperature revealed that the impurity-induced magnetic moments of the Cu-3d spins slowly fluctuate at a frequency of 0.74 MHz at T - 20 mK, far below the magnetic phase transition temperature. It is possible that the impurity-induced magnetic moments are in an exotic state where they fluctuate while preserving their wave vector and relative phase, i.e., a coherently fluctuating state

本文言語	English
論文番号	074705
ジャーナル	Journal of the Physical Society of Japan
巻	78
号	7
DOI	https://doi.org/10.1143/JPSJ.78.074705
出版ステータス	Published - 2009 7月 1
外部発表	はい

ASJC Scopus subject areas

物理学および天文学（全般）

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10.1143/JPSJ.78.074705

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引用スタイル

Spin fluctuations in the ground state of doped quantum spin system TlCu _1-xMg _xCl ₃ with x = 0:0047 Probed by muon-spin-relaxation technique. / Suzuki, Takao; Yamada, Fumiko; Watanabe, Isao; Matsuzaki, Teiichiro; Goto, Takayuki; Oosawa, Akira; Tanaka, Hidekazu.

In: Journal of the Physical Society of Japan, Vol. 78, No. 7, 074705, 01.07.2009.

研究成果: Article › 査読

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abstract = "Zero-and longitudinal-field muon-spin-relaxation (ZF- and LF-muSR) measurements were carried out down to T - 20 mK on the slightly doped quantum spin system TlCu 1-xMg xCl 3 with x mdash0:0047, in which a magnetic phase transition is observed at 0.70 K by specific heat measurement. LF-μ SR measurements above and below the phase transition temperature revealed that the impurity-induced magnetic moments of the Cu-3d spins slowly fluctuate at a frequency of 0.74 MHz at T - 20 mK, far below the magnetic phase transition temperature. It is possible that the impurity-induced magnetic moments are in an exotic state where they fluctuate while preserving their wave vector and relative phase, i.e., a coherently fluctuating state",

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AU - Watanabe, Isao

AU - Matsuzaki, Teiichiro

AU - Goto, Takayuki

AU - Oosawa, Akira

AU - Tanaka, Hidekazu

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