Low Energy Excitation in Bi2Sr2Can-1CunO2n+4 (n = 1-3) Studied by High-Resolution Arpes

Autor:	Azusa Matsuda, Hiroaki Matsui, Kazuo Kadowaki, Takenori Fujii, Takahito Terashima, Tsugio Sato, Tetsuo Takahashi, Hongbo Yang, Hong Ding, S. C. Wang, Takao Watanabe
Rok vydání:	2003
Předmět:	Superconductivity Physics Condensed matter physics Photoemission spectroscopy Fermi level Statistical and Nonlinear Physics Angle-resolved photoemission spectroscopy Electron Electronic structure Condensed Matter Physics symbols.namesake symbols Cuprate Atomic physics Excitation
Zdroj:	International Journal of Modern Physics B. 17:3554-3558
ISSN:	1793-6578 0217-9792
DOI:	10.1142/s0217979203021393
Popis:	We report systematic high-resolution angle-resolved photoemission spectroscopy (ARPES) on Bi 2 Sr 2 Ca n-1 Cu n O 2n+4 (n = 1-3) to study the electronic structure near the Fermi level (EF) and the low energy excitation. Comprehensive ARPES data on the sudden break in the energy dispersion near EF (kink) as a function of momentum, temperature, and number of CuO 2 layers indicate that the coupling of electrons with Q = (π,π) magnetic mode is dominant in the superconducting state for multi-layered cuprates.
Databáze:	OpenAIRE
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