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Information Journal Paper

Title

D-WAVE SUPERCONDUCTIVITY, ANTIFERROMAGNETISM AND SPIN LIQUID IN QUASI-TWODIMENSIONAL ORGANIC SUPERCONDUCTORS

Pages

  179-186

Abstract

 The self-energy-functional approach is a powerful many-body tool to investigate different broken symmetry phases of strongly correlated electron systems. We use the variational cluster perturbation theory (also called the variational cluster approximation) to investigate the interplay between the ANTIFERROMAGNETISM and d-wave SUPERCONDUCTIVITY of k-(ET)2 X conductors. These compounds are described by the so-called dimer HUBBARD MODEL, with various values of the on-site repulsion U and diagonal hopping amplitude t'. At strong coupling, our zero-temperature calculations show a transition from Néel ANTIFERROMAGNETISM to a spin-liquid phase with no long range order, at around t' ~ 0.9. At lower values of U, we find d-wave SUPERCONDUCTIVITY. Taking into account the point group symmetries of the lattice, we find a transition between n d x2-y2 and dxy pairing symmetries, the latter happening for smaller values of U.

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    APA: Copy

    SAHEBSARA, P., & SENECHAL, D.. (2006). D-WAVE SUPERCONDUCTIVITY, ANTIFERROMAGNETISM AND SPIN LIQUID IN QUASI-TWODIMENSIONAL ORGANIC SUPERCONDUCTORS. IRANIAN JOURNAL OF PHYSICS RESEARCH, 6(3), 179-186. SID. https://sid.ir/paper/1489/en

    Vancouver: Copy

    SAHEBSARA P., SENECHAL D.. D-WAVE SUPERCONDUCTIVITY, ANTIFERROMAGNETISM AND SPIN LIQUID IN QUASI-TWODIMENSIONAL ORGANIC SUPERCONDUCTORS. IRANIAN JOURNAL OF PHYSICS RESEARCH[Internet]. 2006;6(3):179-186. Available from: https://sid.ir/paper/1489/en

    IEEE: Copy

    P. SAHEBSARA, and D. SENECHAL, “D-WAVE SUPERCONDUCTIVITY, ANTIFERROMAGNETISM AND SPIN LIQUID IN QUASI-TWODIMENSIONAL ORGANIC SUPERCONDUCTORS,” IRANIAN JOURNAL OF PHYSICS RESEARCH, vol. 6, no. 3, pp. 179–186, 2006, [Online]. Available: https://sid.ir/paper/1489/en

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