首页> 外文期刊>Zeitschrift fur Physik, B. Condensed Matter >Transverse transport in (TM)_2X organic conductors: possible evidence for a Luttinger liquid
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Transverse transport in (TM)_2X organic conductors: possible evidence for a Luttinger liquid

机译:(TM)_2X有机导体中的横向传输:可能是Luttinger液体的证据

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We present c-axis resistivity measurements performed on the organic conductors (TMTSF)_2PF_6 and (TMTTF)_2PF_6 under pressure. The aim is to probe the density of states of quasi-one dimensional compounds the high temperature properties of which are those of a Luttinger liquid. It is found that the 1-D Luttinger description breaks down below a specific pressure-dependent temperature, giving rise to a transient regime. The Fermi liquid behaviour is however restored at low temperature i.e. around 10 K, as evidenced by NMR measurements. Accordingly, two different energy scales 100 K and 10 K are required to get a fair understanding of all observed physical phenomena. Our interpretation supports the picture of a power law exponent K_ρ for the correlation functions of the order of 0.25-0.30.
机译:我们介绍了在压力下对有机导体(TMTSF)_2PF_6和(TMTTF)_2PF_6进行的c轴电阻率测量。目的是探究准一维化合物的状态密度,这些化合物的高温特性是Luttinger液体的高温特性。发现1-D Luttinger描述在特定于压力的特定温度以下分解,从而产生瞬态状态。然而,如通过NMR测量所证实的,费米液体行为在低温即约10K下恢复。因此,需要两个不同的能级100 K和10 K才能对所有观察到的物理现象有一个合理的了解。我们的解释支持0.25-0.30阶数相关函数的幂律指数K_ρ。

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