Superconductivity and antiferromagnetism as interfering orders in organic conductors

Abstract

Superconductivity in the Bechgaard salts series of quasi-one-dimensional organic conductors occurs on the verge of spin-density-wave ordering when hydrostatic pressure is applied. The sequence of instabilities is intimately connected to normal state anomalies in various quantities like the temperature dependence of electrical transport and nuclear spin-lattice relaxation rate. We discuss how such a connection takes its origin in the interference between the different pairing mechanisms responsible for antiferromagnetism and superconductivity, a duo that can be comprehended in terms of a weak coupling renormalization group theory. The recent developments along this line of though are presented in relation to experiments.

11 pages, 6 figures

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Cited by in corpus (10)

• From charge- and spin-ordering to superconductivity in the organic charge-transfer solids
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• Organic Superconductors: when correlations and magnetism walk in
• Understanding repulsively mediated superconductivity of correlated electrons via massively parallel DMRG
• Novel superconducting phenomena in quasi-one-dimensional Bechgaard salts
• Quasi one-dimensional organic conductors: from Fröhlich conductivity and Peierls insulating state to magnetically-mediated superconductivity, a retrospective
• The Seebeck coefficient in correlated low dimensional organic metals
• Lifshitz transition enabling superconducting dome around the quantum critical point in TiSe${}_2$
• Electrical transport near quantum criticality in low dimensional organic superconductors
• Role of electron-phonon interaction in a magnetically driven mechanism for superconductivity