The Fermi surface of Bi2Sr2CaCu2O8
H.M. Fretwell, A. Kaminski, J. Mesot, J.C. Campuzano, M.R. Norman, M., Randeria, T. Sato, R. Gatt, T. Takahashi, K. Kadowaki
TL;DR
This paper uses high-resolution ARPES to determine that the Fermi surface of Bi2Sr2CaCu2O8 is a large hole barrel centered at (pi,pi), clarifying its shape and independence from photon energy.
Contribution
It provides definitive experimental evidence that the Fermi surface of Bi2212 is a large hole barrel, countering recent alternative suggestions.
Findings
Fermi surface is a large hole barrel at (pi,pi)
Fermi surface shape is independent of photon energy
High-resolution ARPES confirms the Fermi surface topology
Abstract
We study the Fermi surface of Bi2Sr2CaCu2O8 (Bi2212) using angle resolved photoemission (ARPES) with a momentum resolution of ~ 0.01 of the Brillouin zone. We show that, contrary to recent suggestions, the Fermi surface is a large hole barrel centered at (pi,pi), independent of the incident photon energy.
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