On the existence of rapid oscillations in various phases of quasi-one-dimensional (TMTSF)2PF6

Magnetoresistance in (TMTSF)2PF6 has been studied. It have been found that rapid oscillations of the magnetoresistance are absent in the metallic state and are present in the spin-ordered states solely, including both the lowest and higher order FISDW states. The spin-ordered state, which had previo...

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Bibliographic Details
Published in:JETP letters 2007-02, Vol.84 (11), p.628-631
Main Authors: Kornilov, A. V., Pudalov, V. M., Klehe, A. -K., Ardavan, A., Qualls, J. S.
Format: Article
Language:English
Subjects:
Fermi surfaces
Magnetoresistance
Magnetoresistivity
Oscillations
Spin density waves
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Summary:Magnetoresistance in (TMTSF)2PF6 has been studied. It have been found that rapid oscillations of the magnetoresistance are absent in the metallic state and are present in the spin-ordered states solely, including both the lowest and higher order FISDW states. The spin-ordered state, which had previously been believed to be insulating, is not totally gapped; at least, at a finite temperature, there remains a vestigial Fermi surface comprising 2D metallic “pockets.” Our data agree qualitatively with the theory that considers the coexistence of two spin-density waves with two respective nesting vectors.
ISSN:0021-3640
1090-6487
DOI:10.1134/S0021364006230123