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Triplet Scenario of Superconductivity vs. Singlet One in (TMTSF)2X Materials

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The Physics of Organic Superconductors and Conductors

Part of the book series: Springer Series in Materials Science ((SSMATERIALS,volume 110))

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We discuss experimental data, obtained on organic quasi-one-dimensional (TMTSF)2X (X=PF6 and ClO4) superconductors, which reveal unconventional nature of their superconducting phases. Our theoretical interpretation of the data supports a triplet scenario of superconductivity in (TMTSF)2PF6 material. In particular, we suggest a careful theoretical analysis of the recently measured anisotropic upper critical fields. On a basis of this analysis, we suggest that the triplet superconducting order parameter is described by a d-vector with d a (k) ≠ 0 and d b (k) = dc(k) = 0, which defines a spin part of the order parameter but does not uniquely define its orbital part, d a (k). We consider two major possible orbital parts of this triplet order parameter, p x -wave and py-wave ones. In the end of the chapter, we discuss in a brief a d-wave singlet scenario of superconductivity, which we consider as a possibility in (TMTSF)2ClO4 material.

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Author information

Authors and Affiliations

  1. Department of Physics, University of Arizona, 1118 East 4th Street, 85721, Tucson, AZ, USA

    Dr. Andrei Lebed

  2. Department of Physics, University of Arizona, 1118 East 4th Street, 85721, Tucson, AZ, USA

    S. Wu

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  1. Dr. Andrei Lebed
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  2. S. Wu
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Editors and Affiliations

  1. University of Arizona, 1118 East 4th Street, 85721, Tucson, AZ, USA

    Andrei Lebed

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Lebed, A., Wu, S. (2008). Triplet Scenario of Superconductivity vs. Singlet One in (TMTSF)2X Materials. In: Lebed, A. (eds) The Physics of Organic Superconductors and Conductors. Springer Series in Materials Science, vol 110. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-76672-8_23

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