Abstract
An attempt has been made theoretically to observe the different anisotropic properties of optimally doped iron-pnictide superconductors in the presence of an applied magnetic field. For this analysis, the modified phenomenological Ginzburg-Landau (GL) theory applicable to two-band superconducting systems has been used and found to be successful. In doing so, the anisotropic ratio with respect to the penetration depth and the Sommerfeld coefficient have been calculated for the system. The results obtained have been found to be very close to the experimental findings reported earlier. This analysis manifests that the proposed model can successfully be used to explain the anisotropy of multiband superconductors.
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Pattanaik, A., Purohit, G. & Nayak, P. Analysis of Different Anisotropic Properties of Ba(Fe0.926Co0.074)2As2 Single Crystal. J. Korean Phys. Soc. 76, 1014–1019 (2020). https://doi.org/10.3938/jkps.76.1014
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DOI: https://doi.org/10.3938/jkps.76.1014