Article Dans Une Revue The European Physical Journal B: Condensed Matter and Complex Systems Année : 1998

Transverse transport in (TM)2X organic conductors: Possible evidence for a Luttinger liquid

J. Moser
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M. Gabay
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D. Jérome
K. Bechgaard
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J.M. Fabre
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Résumé

We present c-axis resistivity measurements performed on the organic conductors (TMTSF)2PF6 and (TMTTF)2PF6 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 Kρ for the correlation functions of the order of 0.25-0.30.

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hal-04944420 , version 1 (10-03-2025)

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J. Moser, M. Gabay, P. Auban-Senzier, D. Jérome, K. Bechgaard, et al.. Transverse transport in (TM)2X organic conductors: Possible evidence for a Luttinger liquid. The European Physical Journal B: Condensed Matter and Complex Systems, 1998, 1 (1), pp.39-46. ⟨10.1007/s100510050150⟩. ⟨hal-04944420⟩
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