Bond-randomness effect on the quantum spin system Tl1-xKxCuCl3 probed by muon-spin-relaxation method

Suzuki T; Yamada F; Watanabe I; Goto T; Oosawa A; Tanaka H

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Bond-randomness effect on the quantum spin system Tl1-xKxCuCl3 probed by muon-spin-relaxation method

机译：介子自旋弛豫方法对量子自旋系统Tl1-xKxCuCl3的键-随机效应

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Muon-spin-relaxation (mu SR) measurements were carried out on the randomness-introduced quantum spin system Tl1-xKxCuCl3. Zero-field mu SR measurement results reveal that the rapid increase of the mu SR rate lambda with decreasing temperature in the case of x = 0.58. From the result of longitudinal-field mu SR measurements, a finite relaxation remains at 4000 G, which means that Cu-3d spins fluctuate down to 20 mK although the slowing down of the frequency of the spin fluctuation occurs. These results suggest that there is a quite possibility of the existence of an ordered or spin frozen phase in a neighboring concentration of x around 0.58.

机译：在引入了随机性的量子自旋系统Tl1-xKxCuCl3上进行了μ自旋弛豫（mu SR）测量。零场mu SR测量结果表明，在x = 0.58的情况下，mu SR率λ随着温度的降低而迅速增加。根据纵向场mu SR测量的结果，在4000 G处仍存在有限的弛豫，这意味着尽管发生了自旋波动频率的降低，但Cu-3d自旋波动至20 mK。这些结果表明，很有可能在0.58附近的x浓度下存在有序或自旋冷冻相。

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《Physica, B. Condensed Matter》 |2009年第7期|共4页
作者
Suzuki T; Yamada F; Watanabe I; Goto T; Oosawa A; Tanaka H;
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正文语种 eng
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Quantum spin system; Tl1-xKxCuCl3; Randomness; mu SR;

机译：量子自旋系统Tl1-xKxCuCl3随机性mu SR;

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1. Bond-randomness effect on the quantum spin system Tl1-xKxCuCl3 probed by muon-spin-relaxation method [J] . Suzuki T, Yamada F, Watanabe I, Physica, B. Condensed Matter . 2009,第5a7期

机译：介子自旋弛豫方法对量子自旋系统Tl1-xKxCuCl3的键-随机效应
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Bond-randomness effect on the quantum spin system Tl1-xKxCuCl3 probed by muon-spin-relaxation method

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