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Type: Artigo de periódico
Title: Quantum magnetic oscillations and angle-resolved photoemission from impurity bands in cuprate superconductors
Author: Alexandrov, AS
Abstract: Present-day angle-resolved photoemission spectroscopy (ARPES) has offered a tremendous advance in the understanding of electron energy spectra in cuprate superconductors and some related compounds. However, in high magnetic field, magnetic quantum oscillations at low temperatures indicate the existence of small electron (hole) Fermi pockets seemingly missing in ARPES of hole (electron) doped cuprates. Here ARPES and quantum oscillations are reconciled in the framework of an impurity band in the charge-transfer Mott-Hubbard insulator.
Country: EUA
Editor: Amer Physical Soc
Rights: aberto
Identifier DOI: 10.1103/PhysRevB.85.092501
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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