Origin of gap anisotropy in spin fluctuation models of the iron pnictides

T. A. Maier^*
Center for Nanophase Materials Sciences and Computer Science and Mathematics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6494, USA

S. Graser^†
Center for Electronic Correlations and Magnetism, Institute of Physics, University of Augsburg, D-86135 Augsburg, Germany

D. J. Scalapino^‡
Department of Physics, University of California, Santa Barbara, California 93106-9530, USA

P. J. Hirschfeld^§
Department of Physics, University of Florida, Gainesville, Florida 32611, USA

^*maierta@ornl.gov

^†graser@phys.ufl.edu

^‡djs@physics.ucsb.edu

^§pjh@phys.ufl.edu