Universal versus Material-Dependent Two-Gap Behaviors of the High-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>T</mml:mi><mml:mi>c</mml:mi></mml:msub></mml:math>Cuprate Superconductors: Angle-Resolved Photoemission Study of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>La</mml:mi><mml:mrow><mml:mn>2</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mi>Sr</mml:mi><mml:mi>x</mml:mi></mml:msub><mml:msub><mml:mi>CuO</mml:mi><mml:mn>4</mml:mn></mml:msub></mml:math>

Yoshida, T.; Hashimoto, Makoto; Ideta, S.; Fujimori, A.; Tanaka, Kiyohisa; Mannella, N.; Hussain, Z.; Shen, Zhi‐Xun; Kubota, Masato; Ono, Kanta; Komiya, Seiki; Ando, Yoichi; Eisaki, Hiroshi; Uchida, S.

doi:10.1103/physrevlett.103.037004

Public

Universal versus Material-Dependent Two-Gap Behaviors of the High-TcCuprate Superconductors: Angle-Resolved Photoemission Study ofLa2−xSrxCuO4

Published in Physical Review Letters • Jul 16, 2009

Authors:

T. Yoshida

Makoto Hashimoto

S. Ideta

Abstract

We have investigated the doping and temperature dependences of the pseudogap and superconducting gap in the single-layer cuprate ${\mathrm{La}}_{2\ensuremath{-}x}{\mathrm{Sr}}_{x}{\mathrm{CuO}}_{4}$ by angle-resolved photoemission spectroscopy. The results clearly exhibit two distinct energy and tem...

Subject

Pairing

Cuprate

Pseudogap

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