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Phys. Rev. B 76, 174501 (2007) [7 pages]

Modeling the Fermi arc in underdoped cuprates

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M. R. Norman1, A. Kanigel2, M. Randeria3, U. Chatterjee2, and J. C. Campuzano1,2
1Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
2Department of Physics, University of Illinois at Chicago, Chicago, Illinois 60607, USA
3Department of Physics, The Ohio State University, Columbus, Ohio 43210, USA

Received 13 August 2007; published 1 November 2007

Angle resolved photoemission data in the pseudogap phase of underdoped cuprates have revealed the presence of a truncated Fermi surface consisting of Fermi arcs. We compare a number of proposed models for the arcs and find that the one that best models the data is a d-wave energy gap with a lifetime broadening whose temperature dependence is suggestive of fluctuating pairs.

© 2007 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.76.174501
DOI:
10.1103/PhysRevB.76.174501
PACS:
74.25.Jb, 74.72.Hs, 79.60.Bm
 
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