Specific heat jump of two-band superconductor KFe2As2 using Ginzburg-Landau theory

• Autorzy: Askerzade I N

Identyfikatory

DOI

10.2478/s13536-014-0212-2

• Języki publikacji: EN

Abstrakty

EN

In this study specific heat jump using two-gap Ginzburg-Landau (GL) theory has been calculated. In contrast to the previous approaches, we have taken into account intergradient order parameters interaction in the GL free energy functional. The thermodynamic magnetic field revealed nonlinear temperature dependence due to interband interaction between order parameters and their gradients. The calculations showed that the specific heat jump in two-order parameter superconductors was smaller than that of single-order parameter superconductors. It has been shown that such a model is in good agreement with experimental data for KFe2As2 superconductors.

Słowa kluczowe

EN

Fe-based superconductors; Ginzburg-Landau theory; specific heat jump; two-band superconductivity

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2014
• Tom: Vol. 32, No. 3
• Strony: 465--469
• Opis fizyczny: Bibliogr. 38 poz.

Twórcy

autor

Askerzade I N

• Computer Engineering Department and Center of Excellence of Superconductivity Research, Ankara University,Ankara, 06100, Turkey
• Institute of Physics Azerbaijan National Academy of Sciences, Baku, Az1143, Azerbaijan

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