Fluctuations of the Order Parameter's Phase in Layered Superconductors |
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Authors: | Ömer Çakiroglu |
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Affiliation: | 1. Faculty of Art and Science, Physics Dept., Yildiz Technical University, 80270, Sisli, ?stanbul, Türkiye
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Abstract: | The influence of the quantum fluctuations of the order parameter's phase on the critical temperature T c is studied for a Josephson coupled layered superconductor. Two characteristic critical temperatures exist for a system, namely the superconducting critical temperature T (2) c for a single layer estimated by the mean-field theory and the transition temperature for the outset or the superconducting phase coherence T* c . The true critical temperature T c is shown to vary inside the intervals T* c ≤ T c ≤ T (2) c . For a strong quantum phase fluctuation limit, the superconducting layers become decoupled. |
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