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American Physical Society, Physical Review Letters, 19(84), p. 4449-4452, 2000

DOI: 10.1103/physrevlett.84.4449

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Fermi Surface ofBi2Sr2CaCu2O8

Journal article published in 2000 by H. M. Fretwell, A. Kaminski, J. Mesot, J. C. Campuzano, M. R. Norman ORCID, M. Randeria, T. Sato, R. Gatt, T. Takahashi, K. Kadowaki
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

We study the Fermi surface of Bi2Sr2CaCu2O8 using angle resolved photoemission spectroscopy (ARPES) with a momentum resolution of approximately 0.01 of the Brillouin zone. We show that, contrary to recent suggestions, the ARPES derived Fermi surface is a large hole barrel centered at (pi,pi), independent of the incident photon energy. We caution that the photon energy and k dependence of the matrix elements, if not properly accounted for, can lead to misinterpretation of ARPES intensities.