Electronic instabilities in iron-based superconductors: A variational Monte Carlo study

Electronic instabilities in iron-based superconductors: A variational Monte Carlo study

We report a variational Monte Carlo (VMC) study of the iron-based superconductors. We use realistic band structures, and the ordering instabilities/variational ansatz are suggested by previous functional renormalization group calculations. We examine antiferromagnetism, superconducting pairing, norm...

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Bibliographic Details
Main Authors: Yang, Fan (Contributor), Zhai, Hui (Author), Wang, Fa (Author), Lee, Dung-Hai (Author)
Other Authors: Massachusetts Institute of Technology. Department of Physics (Contributor)
Format: Article
Language:English
Published: American Physical Society, 2011-09-28T17:34:57Z.
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Summary:We report a variational Monte Carlo (VMC) study of the iron-based superconductors. We use realistic band structures, and the ordering instabilities/variational ansatz are suggested by previous functional renormalization group calculations. We examine antiferromagnetism, superconducting pairing, normal state Fermi surface distortion, and orbital order in the antiferromagnetic state.
National Natural Science Foundation (China) (NSFC grant no. 10704008)
Tsinghua University (Beijing, China) (BRYS Program)
National Natural Science Foundation (China) (NSFC grant No. 10944002)
United States. Dept. of Energy (grant no. DE-AC0205CH11231)
National Energy Research Scientific Computing Center (U.S.)
United States. Dept. of Energy (Contract No. DE-AC02-05CH11231)

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