Universality of Low-Energy Mass Renormalization in the Superconducting State of Hole-Doped High-T_c Superconductors(Condensed matter : electronic structure and electrical, magnetic, and optical properties)

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概要

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• We have performed high-resolution angle-resolved photoemission spectroscopy on high-T_c super-conductors La_<1.85>Sr_<0.15>CuO_4 (LSCO) and Bi_2Sr_2CaCu_2O_<8+δ> (Bi2212) to study the universality of many-body interaction in hole-doped high-T_c superconductors. We found that the emergence of kink in the dispersion in the off-nodal region at the superconducting state is a common feature, while the energy scale of kink is remarkably different between LSCO and Bi2212. We conclude that the coupling of electrons with spin excitations at the off-nodal region is universal in hole-doped high-T_c cuprates.

• 社団法人日本物理学会の論文
• 2007-10-15

著者

• TAKAHASHI Takashi

  Department of General Medicine, Kanazawa Medical University

• HIROTA Kazuma

  Institute for Solid State Physics, University of Tokyo

• Matsui Hiroaki

  Frontier Research Center Tokyo Institute Of Technology:erato-sort Jst In Frontier Research Center To

• Hirano M

  Frontier Research Center Tokyo Institute Of Technology:erato-sorst Jst Frontier Research Center Toky

• Hirano M

  Transparent Electro-active Materials Project Erato-sorst Japan Science And Technology Agency C/o Fro

• Hirano Masahiro

  Frontier Collaborative Research Center Tokyo Institute Of Technology

• Hirano Masahiro

  Erato-sorst Jst In Frontier Research Center Tokyo Institute Of Technology

• KADOWAKI Kazuo

  Institute of Materials Science, University of Tsukuba

• Sato Takafumi

  Department Of Chemical Engineering Tohoku University

• Kadowaki Kazuo

  Institute Of Materials Science University Of Tsukuba

• NAKAYAMA Kosuke

  Department of Physics, Tohoku University

• TERASHIMA Kensei

  Department of Physics, Tohoku University

• MATSUI Hiroaki

  Department of Physics, Tohoku University

• KOFU Maiko

  Institute for Solid State Physics, University of Tokyo

• Hirota Kazuma

  Institute For Solid State Physics The University Of Tokyo

• Hirano Masahiro

  Frontier Research Center Tokyo Institute Of Technology:erato-sort Jst In Frontier Research Center To

• Sato Takafumi

  Department Of Physics Tohoku University

• Sato Takafumi

  Department Of Applied Chemistry Utsunomiya University

• Sato T

  Department Of Physics Tohoku University

• Kofu Maiko

  Institute For Solid State Physics University Of Tokyo

• Terashima K

  Department Of Physics Tohoku University

• Takahashi Takashi

  Department Of Applied Chemistry Tokyo Institute Of Technology

• Hirano Masahiro

  Solution-oriented Research For Science And Technology (erato-sorst) Japan Science And Technology Age

• Nakayama Kosuke

  Department Of Physics Tohoku University

• Matsui Hiroaki

  Department Of Bioscience & Technology Faculty Of Science & Engineering Ritsumeikan Universit

• Hirano Masahiro

  Transparent Electro-active Materials Project Erato-sorst Japan Science And Technology Agency

• Matsui Hiroaki

  Erato-sorst Japan Science And Technology Agency (jst) And Frontier Research Center Tokyo Institute O

• Takahashi Takashi

  Department Of Physics Tohoku University:wpi Research Center Advanced Institute For Materials Researc

• Takahashi Takashi

  Department Of Applied Chemistry Graduate School Of Science And Engineering Tokyo Institute Of Techno

• Terashima Kensei

  Department Of Physics Tohoku University

• Kadowaki Kazuo

  Institute Of Materials Science And Graduate School Of Pure And Applied Sciences University Of Tsukuba

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