Metallic Behavior of Lightly Doped [Formula presented] with a Fermi Surface Forming an Arc

T. Yoshida, X. J. Zhou, T. Sasagawa, W. L. Yang, P. V. Bogdanov, A. Lanzara, Z. Hussain, T. Mizokawa, A. Fujimori, H. Eisaki, Z. X. Shen, T. Kakeshita, S. Uchida

研究成果: Article

3 引用 (Scopus)

抜粋

Lightly doped [Formula presented] in the so-called insulating hase has been studied by angle-resolved photoemission spectroscopy. We have observed that a quasiparticle (QP) peak crosses the Fermi level in the node direction of the [Formula presented]-wave superconducting gap, forming an arc of Fermi surface, which explains the metallic behavior at high temperatures of the lightly doped materials. The QP spectral weight of the arc smoothly increases with hole doping, which we attribute to the [Formula presented] behavior of the carrier number in the underdoped and lightly doped regions.

元の言語English
ジャーナルPhysical Review Letters
91
発行部数2
DOI
出版物ステータスPublished - 2003 7 8
外部発表Yes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Yoshida, T., Zhou, X. J., Sasagawa, T., Yang, W. L., Bogdanov, P. V., Lanzara, A., Hussain, Z., Mizokawa, T., Fujimori, A., Eisaki, H., Shen, Z. X., Kakeshita, T., & Uchida, S. (2003). Metallic Behavior of Lightly Doped [Formula presented] with a Fermi Surface Forming an Arc. Physical Review Letters, 91(2). https://doi.org/10.1103/PhysRevLett.91.027001