Revised phase diagram of the high-$T_c$ cuprate superconductor Pb-doped Bi$_2$Sr$_2$CaCu$_2$O$_{8+\delta}$ revealed by anisotropic transport measurements

التفاصيل البيبلوغرافية
العنوان: Revised phase diagram of the high-$T_c$ cuprate superconductor Pb-doped Bi$_2$Sr$_2$CaCu$_2$O$_{8+\delta}$ revealed by anisotropic transport measurements
المؤلفون: Harada, Keiichi, Teramoto, Yuki, Usui, Tomohiro, Itaka, Kenji, Fujii, Takenori, Noji, Takashi, Taniguchi, Haruka, Matsukawa, Michiaki, Ishikawa, Hajime, Kindo, Koichi, Dessau, Daniel S., Watanabe, Takao
المصدر: Phys. Rev. B 105, 085131 (2022)
سنة النشر: 2021
المجموعة: Condensed Matter
مصطلحات موضوعية: Condensed Matter - Superconductivity
الوصف: Although phase diagrams can be leveraged to investigate high transition temperature (high-$T_c$) superconductivity, the issue has not been discussed thoroughly. In this study, we elucidate the phase diagram of the overdoped side of high-$T_c$ cuprates via systematic anisotropic transport measurements for Pb-doped Bi-2212 single crystals. We demonstrate that the characteristic temperatures of the "weak" pseudogap opening and electronic coherence cross each other at a critical doping level, while those of the "strong" pseudogap merges into that of superconducting fluctuations above the critical doping level. Our results indicate the importance of Mottness in high-$T_c$ superconductivity.
Comment: 8 pages, 9 figures; The title is changed
نوع الوثيقة: Working Paper
DOI: 10.1103/PhysRevB.105.085131
URL الوصول: http://arxiv.org/abs/2109.11799
رقم الأكسشن: edsarx.2109.11799
قاعدة البيانات: arXiv
الوصف
DOI:10.1103/PhysRevB.105.085131