Hall effect and conduction anisotropy in the organic conductor TMTSF2PF6

Details Hall effect and conduction anisotropy in the organic conductor TMTSF2PF6 Hall effect and conduction anisotropy in the organic conductor TMTSF2PF6

2000-01-27

arxiv.org/abs/cond-mat/0001403v1

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages, 5 figures, to be published in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.84.2670

Long missing basic experiments in the normal phase of the anisotropic electron system of TMTSF2PF6 were performed. Both the Hall effect and the ab'-plane conduction anisotropy are directly addressing the unconventional electrical properties of this Bechgaard salt. We found that the dramatic reduction of the carrier density deduced from recent optical data is not reflected in an enhanced Hall-resistance. The pressure- and temperature dependence of the b'-direction resitivity reveal isotropic relaxation time and do not require explanations beyond the Fermi liquid theory. Our results allow a coherent-diffusive transition in the interchain carrier propagation, however the possible crossover to Luttinger liquid behavior is placed to an energy scale above room temperature.

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