Multiband Calculations on the Magnetic Properties of Superconductor KFe2As2 |
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| Authors: | Hai Huang Peng-Li Lv |
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| Affiliation: | 1. Department of Mathematics and Physics, North China Electric Power University, Beijing, 102206, China
2. State Key Laboratory for Mesoscopic Physics, Peking University, Beijing, 100871, China
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| Abstract: | Based on two-band Ginzburg–Landau theory, we study the temperature dependence of upper critical fields for superconducting crystal KFe2As2. The results reproduce the experimental data in a broad temperature range and directly underlie the multigap superconductivity in this crystal. Our calculations also indicate that the specific heat jump at the superconducting critical temperature is about 0.77, in accordance with the experimental data. |
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