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Functional renormalization group with counterterms for competing order parameters
M. Ossadnik, C. Honerkamp
We explore the possibilities of using the fermionic functional renormalization group to compute the phase diagram of systems with competing instabilities. In order to overcome the…
Doping-dependent pairing symmetry in the Iron-Pnictides
Ronny Thomale, Christian Platt, Jiangping Hu +2
We use the functional renormalization group method to analyze the phase diagram of a 4-band model for the iron-pnictides subject to band interactions with certain A_{1g} momentum d…
Pairing in the iron arsenides: a functional RG treatment
Christian Platt, Carsten Honerkamp, Werner Hanke
We study the phase diagram of a microscopic model for the superconducting iron arsenides by means of a functional renormalization group. Our treatment establishes a connection betw…